diff --git a/translations/fr/tiramisu.po b/translations/fr/tiramisu.po
index 48629a5..25a62f1 100644
--- a/translations/fr/tiramisu.po
+++ b/translations/fr/tiramisu.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Tiramisu\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-23 22:11+CET\n"
+"POT-Creation-Date: 2019-02-24 20:23+CET\n"
 "PO-Revision-Date: \n"
 "Last-Translator: Emmanuel Garette <egarette@cadoles.com>\n"
 "Language-Team: Tiramisu's team <egarette@cadoles.com>\n"
@@ -53,35 +53,35 @@ msgstr "l'index est obligatoire pour l'option suiveuse \"{}\""
 msgid "unknown method {}"
 msgstr "méthode {} inconnue"
 
-#: tiramisu/api.py:350
+#: tiramisu/api.py:346
 msgid "cannot add this property: \"{0}\""
 msgstr "ne peut pas ajouter cette propriété : \"{0}\""
 
-#: tiramisu/api.py:492 tiramisu/config.py:252
+#: tiramisu/api.py:488 tiramisu/config.py:252
 msgid "can't delete a SymLinkOption"
 msgstr "ne peut supprimer une valeur à une SymLinkOption"
 
-#: tiramisu/api.py:625 tiramisu/api.py:1345
+#: tiramisu/api.py:621 tiramisu/api.py:1323
 msgid "please specify a valid sub function ({})"
 msgstr "veuillez spécifier une sous fonction valide ({})"
 
-#: tiramisu/api.py:711 tiramisu/api.py:1164
+#: tiramisu/api.py:684 tiramisu/api.py:1138
 msgid "unknown list type {}"
 msgstr "type de liste inconnue {}"
 
-#: tiramisu/api.py:713 tiramisu/api.py:1166
+#: tiramisu/api.py:686 tiramisu/api.py:1140
 msgid "unknown group_type: {0}"
 msgstr "group_type inconnu: {0}"
 
-#: tiramisu/api.py:993
+#: tiramisu/api.py:967
 msgid "properties must be a set"
 msgstr "une propriété doit être de type set"
 
-#: tiramisu/api.py:999 tiramisu/api.py:1021
+#: tiramisu/api.py:973 tiramisu/api.py:995
 msgid "unknown when {} (must be in append or remove)"
 msgstr "value {}  inconsistent (doit être append ou remove)"
 
-#: tiramisu/api.py:1011 tiramisu/api.py:1033 tiramisu/config.py:1225
+#: tiramisu/api.py:985 tiramisu/api.py:1007 tiramisu/config.py:1226
 msgid "unknown type {}"
 msgstr "type inconnu {}"
 
@@ -160,50 +160,50 @@ msgstr "chemin inconsistant \"{0}\", devrait commencé par \"{1}\""
 msgid "cannot duplicate {}"
 msgstr "ne peut dupliquer : {0}"
 
-#: tiramisu/config.py:733
+#: tiramisu/config.py:734
 msgid "cannot set leadership object has root optiondescription"
 msgstr "ne peut assigner un objet leadership comme optiondescription racine"
 
-#: tiramisu/config.py:735
+#: tiramisu/config.py:736
 msgid "cannot set dynoptiondescription object has root optiondescription"
 msgstr ""
 "ne peut assigner un objet dynoptiondescription comme optiondescription racine"
 
-#: tiramisu/config.py:749 tiramisu/config.py:796
+#: tiramisu/config.py:750 tiramisu/config.py:797
 msgid "invalid session ID: {0} for config"
 msgstr "ID de session invalide : {0} pour une config"
 
-#: tiramisu/config.py:780
+#: tiramisu/config.py:781
 msgid "groupconfig's children must be a list"
 msgstr "enfants d'une groupconfig doit être une liste"
 
-#: tiramisu/config.py:784
+#: tiramisu/config.py:785
 msgid "groupconfig's children must be Config, MetaConfig or GroupConfig"
 msgstr ""
 "les enfants d'un groupconfig doivent être des Config, MetaConfig ou "
 "GroupConfig"
 
-#: tiramisu/config.py:791
+#: tiramisu/config.py:792
 msgid "config name must be uniq in groupconfig for \"{0}\""
 msgstr "le nom d'un config doit être unique dans un groupconfig pour \"{0}\""
 
-#: tiramisu/config.py:961
+#: tiramisu/config.py:962
 msgid "unknown config \"{}\""
 msgstr "config \"{}\" inconnue"
 
-#: tiramisu/config.py:986 tiramisu/config.py:1201
+#: tiramisu/config.py:987 tiramisu/config.py:1202
 msgid "{}config's children should be config, not {}"
 msgstr "enfants d'un {}config doit être une config, pas {0}"
 
-#: tiramisu/config.py:991
+#: tiramisu/config.py:992
 msgid "child must be a Config, MixConfig or MetaConfig"
 msgstr "l'enfant doit être une Config, MixConfig ou MetaConfig"
 
-#: tiramisu/config.py:993
+#: tiramisu/config.py:994
 msgid "child has already a {}config's"
 msgstr "enfant a déjà un {}config"
 
-#: tiramisu/config.py:1022
+#: tiramisu/config.py:1023
 msgid ""
 "force_default, force_default_if_same or force_dont_change_value cannot be "
 "set with only_config"
@@ -211,30 +211,30 @@ msgstr ""
 "force_default, force_default_if_same ou force_dont_change_value ne peuvent "
 "pas être spécifié avec only_config"
 
-#: tiramisu/config.py:1044
+#: tiramisu/config.py:1045
 msgid "force_default and force_dont_change_value cannot be set together"
 msgstr ""
 "force_default et force_dont_change_value ne peuvent pas être mis ensemble"
 
-#: tiramisu/config.py:1188
+#: tiramisu/config.py:1189
 msgid "MetaConfig with optiondescription must have string has child, not {}"
 msgstr ""
 "MetaConfig avec une optiondescription doit avoir un nom comme enfant, pas {}"
 
-#: tiramisu/config.py:1206
+#: tiramisu/config.py:1207
 msgid "child must be a Config or MetaConfig"
 msgstr "enfant doit être une une Config ou une MetaConfig"
 
-#: tiramisu/config.py:1210
+#: tiramisu/config.py:1211
 msgid "all config in metaconfig must have the same optiondescription"
 msgstr ""
 "toutes les configs d'une metaconfig doivent avoir la même optiondescription"
 
-#: tiramisu/config.py:1223
+#: tiramisu/config.py:1224
 msgid "config name must be uniq in groupconfig for {0}"
 msgstr "le nom de la config doit être unique dans un groupconfig pour {0}"
 
-#: tiramisu/config.py:1248
+#: tiramisu/config.py:1249
 msgid "cannot find the config {}"
 msgstr "ne peut pas trouver la config {0}"
 
@@ -250,11 +250,11 @@ msgstr "ou"
 msgid " {} "
 msgstr " {} "
 
-#: tiramisu/error.py:103 tiramisu/setting.py:562
+#: tiramisu/error.py:103 tiramisu/setting.py:559
 msgid "property"
 msgstr "de la propriété"
 
-#: tiramisu/error.py:105 tiramisu/setting.py:564
+#: tiramisu/error.py:105 tiramisu/setting.py:561
 msgid "properties"
 msgstr "des propriétés"
 
@@ -298,37 +298,37 @@ msgstr "paramoption doit être une option pas {0}"
 msgid "param must have a boolean not a {} for notraisepropertyerror"
 msgstr "param doit avoir un booléan pas un {} pour notraisepropertyerror"
 
-#: tiramisu/option/baseoption.py:78 tiramisu/option/symlinkoption.py:33
+#: tiramisu/option/baseoption.py:75 tiramisu/option/symlinkoption.py:33
 msgid "\"{0}\" is an invalid name for an option"
 msgstr "\"{0}\" est un nom invalide pour une option"
 
-#: tiramisu/option/baseoption.py:96
+#: tiramisu/option/baseoption.py:93
 msgid "invalid properties type {0} for {1}, must be a frozenset"
 msgstr "type {0} invalide pour des propriétés pour {1}, doit être un frozenset"
 
-#: tiramisu/option/baseoption.py:118
+#: tiramisu/option/baseoption.py:115
 msgid "conflict: properties already set in requirement {0} for {1}"
 msgstr ""
 "conflit : les propriétés sont déjà mis dans les requirements {0} pour {1}"
 
-#: tiramisu/option/baseoption.py:165
+#: tiramisu/option/baseoption.py:162
 msgid "{0} must be a function"
 msgstr "{0} doit être une fonction"
 
-#: tiramisu/option/baseoption.py:167
+#: tiramisu/option/baseoption.py:164
 msgid "{0}_params must be a params"
 msgstr "{0}_params doit être un params"
 
-#: tiramisu/option/baseoption.py:208
+#: tiramisu/option/baseoption.py:205
 msgid "cannot find those arguments \"{}\" in function \"{}\" for \"{}\""
 msgstr ""
 "ne peut trouver les arguments \"{}\" dans la fonction \"{}\" pour \"{}\""
 
-#: tiramisu/option/baseoption.py:227
+#: tiramisu/option/baseoption.py:224
 msgid "missing those arguments \"{}\" in function \"{}\" for \"{}\""
 msgstr "les arguments \"{}\" sont manquant dans la fonction \"{}\" pour \"{}\""
 
-#: tiramisu/option/baseoption.py:260
+#: tiramisu/option/baseoption.py:257
 msgid ""
 "params defined for a callback function but no callback defined yet for "
 "option \"{0}\""
@@ -336,24 +336,24 @@ msgstr ""
 "paramètres définis pour la fonction de callback mais aucun callback défini "
 "pour l'option \"{0}\""
 
-#: tiramisu/option/baseoption.py:352 tiramisu/storage/dictionary/value.py:284
-#: tiramisu/storage/sqlite3/value.py:214
+#: tiramisu/option/baseoption.py:349 tiramisu/storage/dictionary/value.py:275
+#: tiramisu/storage/sqlite3/value.py:201
 msgid "information's item not found: {0}"
 msgstr "item '{0}' dans les informations non trouvée"
 
-#: tiramisu/option/baseoption.py:365
+#: tiramisu/option/baseoption.py:362
 msgid "'{0}' ({1}) object attribute '{2}' is read-only"
 msgstr "l'attribut {2} de l'objet '{0}' ({1}) est en lecture seule"
 
-#: tiramisu/option/baseoption.py:396
+#: tiramisu/option/baseoption.py:393
 msgid "\"{}\" ({}) object attribute \"{}\" is read-only"
 msgstr "\"{}\" ({}) l'attribut de l'objet \"{}\" est en lecture seule"
 
-#: tiramisu/option/baseoption.py:450
+#: tiramisu/option/baseoption.py:447
 msgid "malformed requirements must be an option in option {0}"
 msgstr "requirements mal formés doit être une option dans l'option {0}"
 
-#: tiramisu/option/baseoption.py:453
+#: tiramisu/option/baseoption.py:450
 msgid ""
 "malformed requirements multi option must not set as requires of non multi "
 "option {0}"
@@ -361,59 +361,59 @@ msgstr ""
 "requirements mal formés une option multiple ne doit pas être spécifié comme "
 "pré-requis à l'option non multiple {0}"
 
-#: tiramisu/option/baseoption.py:486
+#: tiramisu/option/baseoption.py:483
 msgid ""
 "malformed requirements expected must have option and value for option {0}"
 msgstr ""
 "expected mal formés pour le requirements, doit avoir une option et une "
 "valeur pour l'option {0}"
 
-#: tiramisu/option/baseoption.py:493 tiramisu/option/baseoption.py:509
+#: tiramisu/option/baseoption.py:490 tiramisu/option/baseoption.py:506
 msgid "malformed requirements expected value must be valid for option {0}: {1}"
 msgstr ""
 "valeur de \"expected\" malformé, doit être valide pour l'option {0} : {1}"
 
-#: tiramisu/option/baseoption.py:523
+#: tiramisu/option/baseoption.py:520
 msgid ""
 "malformed requirements for option: {0} action cannot be force_store_value"
 msgstr ""
 "requirements mal formés pour l'option : {0} action ne peut pas être "
 "force_store_value"
 
-#: tiramisu/option/baseoption.py:531
+#: tiramisu/option/baseoption.py:528
 msgid "malformed requirements for option: {0} inverse must be boolean"
 msgstr ""
 "requirements mal formés pour l'option : {0} inverse doit être un booléen"
 
-#: tiramisu/option/baseoption.py:538
+#: tiramisu/option/baseoption.py:535
 msgid "malformed requirements for option: {0} transitive must be boolean"
 msgstr ""
 "requirements mal formés pour l'option : {0} transitive doit être booléen"
 
-#: tiramisu/option/baseoption.py:545
+#: tiramisu/option/baseoption.py:542
 msgid "malformed requirements for option: {0} same_action must be boolean"
 msgstr ""
 "requirements mal formés pour l'option : {0} same_action doit être un booléen"
 
-#: tiramisu/option/baseoption.py:552
+#: tiramisu/option/baseoption.py:549
 msgid ""
 "malformed requirements for option: \"{0}\" operator must be \"or\" or \"and\""
 msgstr ""
 "requirements mal formés pour l'option : \"{0}\" l'opérateur doit être \"or\" "
 "ou \"and\""
 
-#: tiramisu/option/baseoption.py:564
+#: tiramisu/option/baseoption.py:561
 msgid "malformed requirements type for option: {0}, must be a dict"
 msgstr ""
 "type requirements malformé pour l'option : {0}, doit être un dictionnaire"
 
-#: tiramisu/option/baseoption.py:570
+#: tiramisu/option/baseoption.py:567
 msgid "malformed requirements for option: {0} unknown keys {1}, must only {2}"
 msgstr ""
 "requirements mal formés pour l'option : {0} clefs inconnues {1}, doit "
 "seulement avoir {2}"
 
-#: tiramisu/option/baseoption.py:579
+#: tiramisu/option/baseoption.py:576
 msgid ""
 "malformed requirements for option: {0} require must have option, expected "
 "and action keys"
@@ -430,8 +430,8 @@ msgid "broadcast address"
 msgstr "adresse broadcast"
 
 #: tiramisu/option/broadcastoption.py:38 tiramisu/option/dateoption.py:37
-#: tiramisu/option/domainnameoption.py:113 tiramisu/option/ipoption.py:73
-#: tiramisu/option/netmaskoption.py:40 tiramisu/option/networkoption.py:38
+#: tiramisu/option/domainnameoption.py:113 tiramisu/option/ipoption.py:77
+#: tiramisu/option/netmaskoption.py:40 tiramisu/option/networkoption.py:67
 #: tiramisu/option/passwordoption.py:38 tiramisu/option/portoption.py:106
 #: tiramisu/option/urloption.py:40
 msgid "invalid string"
@@ -498,23 +498,23 @@ msgstr "longueur invalide (min 1)"
 msgid "invalid length (max {0})"
 msgstr "longueur invalide (max {0})"
 
-#: tiramisu/option/domainnameoption.py:127
+#: tiramisu/option/domainnameoption.py:121
 msgid "must not be an IP"
 msgstr "ne doit pas être une IP"
 
-#: tiramisu/option/domainnameoption.py:131
+#: tiramisu/option/domainnameoption.py:125
 msgid "must have dot"
 msgstr "doit avec un point"
 
-#: tiramisu/option/domainnameoption.py:133
+#: tiramisu/option/domainnameoption.py:127
 msgid "invalid length (max 255)"
 msgstr "longueur invalide (max 255)"
 
-#: tiramisu/option/domainnameoption.py:141
+#: tiramisu/option/domainnameoption.py:135
 msgid "some characters are uppercase"
 msgstr "des caractères sont en majuscule"
 
-#: tiramisu/option/domainnameoption.py:144
+#: tiramisu/option/domainnameoption.py:138
 msgid "some characters may cause problems"
 msgstr "des caractères peuvent poser problèmes"
 
@@ -570,31 +570,39 @@ msgstr "valeur doit être supérieur à {0}"
 msgid "value must be less than \"{0}\""
 msgstr "valeur doit être inférieur à \"{0}\""
 
-#: tiramisu/option/ipoption.py:33
+#: tiramisu/option/ipoption.py:35
 msgid "IP"
 msgstr "IP"
 
-#: tiramisu/option/ipoption.py:91
-msgid "shouldn't in reserved class"
-msgstr "ne devrait pas être dans une classe réservée"
+#: tiramisu/option/ipoption.py:83 tiramisu/option/networkoption.py:73
+msgid "must use CIDR notation"
+msgstr "doit utiliser la notation CIDR"
 
-#: tiramisu/option/ipoption.py:93 tiramisu/option/networkoption.py:57
-msgid "mustn't be in reserved class"
-msgstr "ne doit pas être dans une classe réservée"
+#: tiramisu/option/ipoption.py:105
+msgid "shouldn't be reserved IP"
+msgstr "ne devrait pas être une IP réservée"
 
-#: tiramisu/option/ipoption.py:97
-msgid "should be in private class"
-msgstr "devrait être dans une classe privée"
+#: tiramisu/option/ipoption.py:107
+msgid "mustn't be reserved IP"
+msgstr "ne doit pas être une IP réservée"
 
-#: tiramisu/option/ipoption.py:99
-msgid "must be in private class"
-msgstr "doit être dans une classe privée"
+#: tiramisu/option/ipoption.py:111
+msgid "should be private IP"
+msgstr "devrait être une IP privée"
 
-#: tiramisu/option/ipoption.py:109
+#: tiramisu/option/ipoption.py:113
+msgid "must be private IP"
+msgstr "doit être une IP privée"
+
+#: tiramisu/option/ipoption.py:141
+msgid "\"{0}\" is not in network \"{1}\" (\"{2}\")"
+msgstr "\"{0}\" n'est pas dans le réseau \"{1}\" (\"{2}\")"
+
+#: tiramisu/option/ipoption.py:157
 msgid "ip_network needs an IP, a network and a netmask"
 msgstr "ip_network nécessite une IP, un réseau et un masque de réseau"
 
-#: tiramisu/option/ipoption.py:115
+#: tiramisu/option/ipoption.py:163
 msgid "\"{4}\" is not in network \"{0}\"/\"{1}\" (\"{2}\"/\"{3}\")"
 msgstr "\"{4}\" n'est pas dans le réseau \"{0}\"/\"{1}\" (\"{2}\"/\"{3}\")"
 
@@ -653,41 +661,45 @@ msgstr "adresse netmask"
 msgid "network_netmask needs a network and a netmask"
 msgstr "network_netmask nécessite un réseau et un masque de réseau"
 
-#: tiramisu/option/netmaskoption.py:78
-msgid "ip_netmask needs an IP and a netmask"
-msgstr "ip_netmask nécessite une IP et un masque de réseau"
-
-#: tiramisu/option/netmaskoption.py:105
-msgid "this is a network with netmask \"{0}\" (\"{1}\")"
-msgstr "c'est une adresse réseau avec le masque \"{0}\" (\"{1}\")"
-
-#: tiramisu/option/netmaskoption.py:107
-msgid "this is a network with {2} \"{0}\" (\"{1}\")"
-msgstr "c'est une adresse réseau avec {2} \"{0}\" (\"{1}\")"
-
-#: tiramisu/option/netmaskoption.py:110
-msgid "this is a broadcast with netmask \"{0}\" (\"{1}\")"
-msgstr "c'est une adresse broadcast avec le masque \"{0}\" (\"{1}\")"
-
-#: tiramisu/option/netmaskoption.py:112
-msgid "this is a broadcast with {2} \"{0}\" (\"{1}\")"
-msgstr "c'est une adresse broadcast avec le {2} \"{0}\" (\"{1}\")"
-
-#: tiramisu/option/netmaskoption.py:117
+#: tiramisu/option/netmaskoption.py:68
 msgid "with netmask \"{0}\" (\"{1}\")"
 msgstr "avec le masque \"{0}\" (\"{1}\")"
 
-#: tiramisu/option/netmaskoption.py:119
-msgid "with {2} \"{0}\" (\"{1}\")"
-msgstr "avec {2} \"{0}\" (\"{1}\")"
+#: tiramisu/option/netmaskoption.py:70
+msgid "with network \"{0}\" (\"{1}\")"
+msgstr "avec le réseau \"{0}\" (\"{1}\")"
+
+#: tiramisu/option/netmaskoption.py:88
+msgid "ip_netmask needs an IP and a netmask"
+msgstr "ip_netmask nécessite une IP et un masque de réseau"
+
+#: tiramisu/option/netmaskoption.py:99
+msgid "this is a network with netmask \"{0}\" (\"{1}\")"
+msgstr "c'est une adresse réseau avec le masque \"{0}\" (\"{1}\")"
+
+#: tiramisu/option/netmaskoption.py:101
+msgid "{2} \"{0}\" (\"{1}\") is the network"
+msgstr "{2} \"{0}\" (\"{1}\") est le réseau"
+
+#: tiramisu/option/netmaskoption.py:104
+msgid "this is a broadcast with netmask \"{0}\" (\"{1}\")"
+msgstr "c'est une adresse broadcast avec le masque \"{0}\" (\"{1}\")"
+
+#: tiramisu/option/netmaskoption.py:106
+msgid "{2} \"{0}\" (\"{1}\") is the broadcast"
+msgstr "{2} \"{0}\" (\"{1}\") est l'adresse de broadcast"
 
 #: tiramisu/option/networkoption.py:31
 msgid "network address"
 msgstr "adresse réseau"
 
-#: tiramisu/option/networkoption.py:55
-msgid "shouldn't be in reserved class"
-msgstr "ne devrait pas être dans une classe réservée"
+#: tiramisu/option/networkoption.py:90
+msgid "shouldn't be reserved network"
+msgstr "ne devrait pas être une IP réservée"
+
+#: tiramisu/option/networkoption.py:92
+msgid "mustn't be reserved network"
+msgstr "ne doit pas être une IP réservée"
 
 #: tiramisu/option/option.py:78
 msgid "default_multi is set whereas multi is False in option: {0}"
@@ -718,89 +730,89 @@ msgstr ""
 "la valeur de la default_multi \"{0}\" est invalide pour l'option \"{1}\", "
 "doit être une liste pour une submulti"
 
-#: tiramisu/option/option.py:255
+#: tiramisu/option/option.py:249
 msgid "invalid value \"{}\", this value is already in \"{}\""
 msgstr "valeur invalide \"{}\", cette valeur est déjà dans \"{}\""
 
-#: tiramisu/option/option.py:285
+#: tiramisu/option/option.py:279
 msgid "which must not be a list"
 msgstr "qui ne doit pas être une liste"
 
-#: tiramisu/option/option.py:319 tiramisu/option/option.py:328
+#: tiramisu/option/option.py:313 tiramisu/option/option.py:322
 msgid "which must be a list"
 msgstr "qui doit être une liste"
 
-#: tiramisu/option/option.py:333
+#: tiramisu/option/option.py:327
 msgid "which \"{}\" must be a list of list"
 msgstr "lequel \"{}\" doit être une liste de liste"
 
-#: tiramisu/option/option.py:375
+#: tiramisu/option/option.py:369
 msgid "default value not allowed if option \"{0}\" is calculated"
 msgstr ""
 "la valeur par défaut n'est pas possible si l'option \"{0}\" est calculée"
 
-#: tiramisu/option/option.py:423
+#: tiramisu/option/option.py:417
 msgid "'{0}' ({1}) cannot add consistency, option is read-only"
 msgstr ""
 "'{0}' ({1}) ne peut ajouter de consistency, l'option est en lecture seul"
 
-#: tiramisu/option/option.py:431
+#: tiramisu/option/option.py:425
 msgid "consistency {0} not available for this option"
 msgstr "consistency {0} non valable pour cette option"
 
-#: tiramisu/option/option.py:438
+#: tiramisu/option/option.py:432
 msgid "unknown parameter {0} in consistency"
 msgstr "paramètre inconnu {0} dans un test de consistance"
 
-#: tiramisu/option/option.py:550 tiramisu/option/option.py:555
+#: tiramisu/option/option.py:544 tiramisu/option/option.py:549
 msgid "cannot add consistency with submulti option"
 msgstr "ne peut ajouter de test de consistence a une option submulti"
 
-#: tiramisu/option/option.py:556
+#: tiramisu/option/option.py:550
 msgid "consistency must be set with an option, not {}"
 msgstr ""
 "test de consistence doit être renseigné avec une option, et non avec {}"
 
-#: tiramisu/option/option.py:559 tiramisu/option/option.py:567
+#: tiramisu/option/option.py:553 tiramisu/option/option.py:561
 msgid ""
 "almost one option in consistency is in a dynoptiondescription but not all"
 msgstr ""
 "au moins une option dans le test de consistance est dans une "
 "dynoptiondescription mais pas toutes"
 
-#: tiramisu/option/option.py:563
+#: tiramisu/option/option.py:557
 msgid "option in consistency must be in same dynoptiondescription"
 msgstr ""
 "option dans une consistency doit être dans le même dynoptiondescription"
 
-#: tiramisu/option/option.py:570
+#: tiramisu/option/option.py:564
 msgid "cannot add consistency with itself"
 msgstr "ne peut ajouter une consistency avec lui même"
 
-#: tiramisu/option/option.py:572
+#: tiramisu/option/option.py:566
 msgid "every options in consistency must be multi or none"
 msgstr ""
 "toutes les options d'une consistency doivent être multi ou ne pas l'être"
 
-#: tiramisu/option/option.py:612
+#: tiramisu/option/option.py:606
 msgid "unexpected length of \"{}\" in constency \"{}\", should be \"{}\""
 msgstr ""
 "longueur inconsistante pour \"{}\" dans le test de consistence \"{}\", "
 "devrait être \"{}\""
 
-#: tiramisu/option/option.py:712
+#: tiramisu/option/option.py:706
 msgid "should be different from the value of \"{}\""
 msgstr "devrait être différent de la valeur de \"{}\""
 
-#: tiramisu/option/option.py:714
+#: tiramisu/option/option.py:708
 msgid "must be different from the value of \"{}\""
 msgstr "doit être différent de la valeur de \"{}\""
 
-#: tiramisu/option/option.py:717
+#: tiramisu/option/option.py:711
 msgid "value for {} should be different"
 msgstr "valeur pour {} devrait être différent"
 
-#: tiramisu/option/option.py:719
+#: tiramisu/option/option.py:713
 msgid "value for {} must be different"
 msgstr "valeur pour {} doit être différent"
 
@@ -819,7 +831,7 @@ msgstr ""
 msgid "the dynoption \"{0}\" cannot have \"force_store_value\" property"
 msgstr "la dynoption \"{0}\" ne peut avoir la propriété \"force_store_value\""
 
-#: tiramisu/option/optiondescription.py:97 tiramisu/setting.py:642
+#: tiramisu/option/optiondescription.py:97 tiramisu/setting.py:639
 msgid ""
 "a leader ({0}) cannot have \"force_default_on_freeze\" or "
 "\"force_metaconfig_on_freeze\" property without \"frozen\""
@@ -828,10 +840,10 @@ msgstr ""
 "\" sans \"frozen\""
 
 #: tiramisu/option/optiondescription.py:106
-msgid "malformed consistency option \"{0}\" must be a leadership"
+msgid "malformed consistency option \"{0}\" must be in same leadership"
 msgstr ""
-"test de consistance mal formé pour l'option \"{0}\" doit être une option "
-"leadership"
+"test de consistance mal formé pour l'option \"{0}\" doit être dans la même "
+"option leadership"
 
 #: tiramisu/option/optiondescription.py:114
 msgid "malformed consistency option \"{0}\" must not be a multi for \"{1}\""
@@ -954,15 +966,15 @@ msgstr "doit finir par un nom de ressource valide"
 msgid "username"
 msgstr "nom d'utilisateur"
 
-#: tiramisu/setting.py:253
+#: tiramisu/setting.py:250
 msgid "can't rebind {0}"
 msgstr "ne peut redéfinir ({0})"
 
-#: tiramisu/setting.py:258
+#: tiramisu/setting.py:255
 msgid "can't unbind {0}"
 msgstr "ne peut supprimer ({0})"
 
-#: tiramisu/setting.py:521
+#: tiramisu/setting.py:518
 msgid ""
 "malformed requirements imbrication detected for option: '{0}' with "
 "requirement on: '{1}'"
@@ -970,48 +982,48 @@ msgstr ""
 "imbrication de requirements mal formés detectée pour l'option : '{0}' avec "
 "requirement sur : '{1}'"
 
-#: tiramisu/setting.py:565
+#: tiramisu/setting.py:562
 msgid ""
 "cannot access to option \"{0}\" because required option \"{1}\" has {2} {3}"
 msgstr ""
 "ne peut accéder à l'option \"{0}\" parce que l'option requise \"{1}\" a {2} "
 "{3}"
 
-#: tiramisu/setting.py:589
+#: tiramisu/setting.py:586
 msgid "the value of \"{0}\" is {1}"
 msgstr "la valeur de \"{0}\" est {1}"
 
-#: tiramisu/setting.py:591
+#: tiramisu/setting.py:588
 msgid "the value of \"{0}\" is not {1}"
 msgstr "la valeur de \"{0}\" n'est pas {1}"
 
-#: tiramisu/setting.py:632
+#: tiramisu/setting.py:629
 msgid "cannot set property {} for option \"{}\" this property is calculated"
 msgstr ""
 "ne peut ajouter la propriété {} pour l'option \"{}\" cette propriété est "
 "calculée"
 
-#: tiramisu/setting.py:637
+#: tiramisu/setting.py:634
 msgid "can't assign property to the symlinkoption \"{}\""
 msgstr "ne peut assigner une propriété à une symlinkoption \"{}\""
 
-#: tiramisu/setting.py:669
+#: tiramisu/setting.py:666
 msgid "permissive must be a frozenset"
 msgstr "une permissive doit être de type frozenset"
 
-#: tiramisu/setting.py:673
+#: tiramisu/setting.py:670
 msgid "can't assign permissive to the symlinkoption \"{}\""
 msgstr "ne peut assigner une permissive à la symlinkoption \"{}\""
 
-#: tiramisu/setting.py:680
+#: tiramisu/setting.py:677
 msgid "cannot add those permissives: {0}"
 msgstr "ne peut ajouter ces permissives : {0}"
 
-#: tiramisu/setting.py:697
+#: tiramisu/setting.py:694
 msgid "can't reset properties to the symlinkoption \"{}\""
 msgstr "ne peut réinitialiser les propriétés de la symlinkoption \"{}\""
 
-#: tiramisu/setting.py:712
+#: tiramisu/setting.py:709
 msgid "can't reset permissives to the symlinkoption \"{}\""
 msgstr "ne peut réinitialiser les permissive de la symlinkoption \"{}\""
 
@@ -1032,12 +1044,12 @@ msgstr "session \"{}\" en court d'utilisation"
 msgid "a dictionary cannot be persistent"
 msgstr "un espace de stockage dictionary ne peut être persistant"
 
-#: tiramisu/storage/dictionary/value.py:293
-#: tiramisu/storage/sqlite3/value.py:227
+#: tiramisu/storage/dictionary/value.py:284
+#: tiramisu/storage/sqlite3/value.py:213
 msgid "information's item not found {0}"
 msgstr "l'information de l'objet ne sont pas trouvé {0}"
 
-#: tiramisu/storage/dictionary/value.py:312
+#: tiramisu/storage/dictionary/value.py:303
 msgid "cannot delete none persistent session"
 msgstr "ne peut supprimer une session non persistante"
 
@@ -1045,19 +1057,19 @@ msgstr "ne peut supprimer une session non persistante"
 msgid "cannot change setting when connexion is already opened"
 msgstr "ne peut changer les paramètres quand une connexion est déjà ouverte"
 
-#: tiramisu/value.py:413
+#: tiramisu/value.py:424
 msgid "can't set owner for the symlinkoption \"{}\""
 msgstr "ne peut spécifier d'utilisateur à la symlinkoption \"{}\""
 
-#: tiramisu/value.py:416 tiramisu/value.py:628
+#: tiramisu/value.py:427 tiramisu/value.py:639
 msgid "set owner \"{0}\" is forbidden"
 msgstr "assigner l'utilisateur \"{0}\" est interdit"
 
-#: tiramisu/value.py:419
+#: tiramisu/value.py:430
 msgid "no value for {0} cannot change owner to {1}"
 msgstr "pas de valeur pour {0} ne peut changer d'utilisateur pour {1}"
 
-#: tiramisu/value.py:497
+#: tiramisu/value.py:508
 msgid "index \"{}\" is higher than the length \"{}\" for option \"{}\""
 msgstr ""
 "l'index \"{}\" est supérieur à la longueur de l'option \"{}\" pour l'option "
diff --git a/translations/tiramisu.pot b/translations/tiramisu.pot
index 863960e..a3cae22 100644
--- a/translations/tiramisu.pot
+++ b/translations/tiramisu.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2019-02-23 22:11+CET\n"
+"POT-Creation-Date: 2019-02-24 20:23+CET\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -51,35 +51,35 @@ msgstr ""
 msgid "unknown method {}"
 msgstr ""
 
-#: tiramisu/api.py:350
+#: tiramisu/api.py:346
 msgid "cannot add this property: \"{0}\""
 msgstr ""
 
-#: tiramisu/api.py:492 tiramisu/config.py:252
+#: tiramisu/api.py:488 tiramisu/config.py:252
 msgid "can't delete a SymLinkOption"
 msgstr ""
 
-#: tiramisu/api.py:625 tiramisu/api.py:1345
+#: tiramisu/api.py:621 tiramisu/api.py:1323
 msgid "please specify a valid sub function ({})"
 msgstr ""
 
-#: tiramisu/api.py:711 tiramisu/api.py:1164
+#: tiramisu/api.py:684 tiramisu/api.py:1138
 msgid "unknown list type {}"
 msgstr ""
 
-#: tiramisu/api.py:713 tiramisu/api.py:1166
+#: tiramisu/api.py:686 tiramisu/api.py:1140
 msgid "unknown group_type: {0}"
 msgstr ""
 
-#: tiramisu/api.py:993
+#: tiramisu/api.py:967
 msgid "properties must be a set"
 msgstr ""
 
-#: tiramisu/api.py:999 tiramisu/api.py:1021
+#: tiramisu/api.py:973 tiramisu/api.py:995
 msgid "unknown when {} (must be in append or remove)"
 msgstr ""
 
-#: tiramisu/api.py:1011 tiramisu/api.py:1033 tiramisu/config.py:1225
+#: tiramisu/api.py:985 tiramisu/api.py:1007 tiramisu/config.py:1226
 msgid "unknown type {}"
 msgstr ""
 
@@ -143,71 +143,71 @@ msgstr ""
 msgid "cannot duplicate {}"
 msgstr ""
 
-#: tiramisu/config.py:733
+#: tiramisu/config.py:734
 msgid "cannot set leadership object has root optiondescription"
 msgstr ""
 
-#: tiramisu/config.py:735
+#: tiramisu/config.py:736
 msgid "cannot set dynoptiondescription object has root optiondescription"
 msgstr ""
 
-#: tiramisu/config.py:749 tiramisu/config.py:796
+#: tiramisu/config.py:750 tiramisu/config.py:797
 msgid "invalid session ID: {0} for config"
 msgstr ""
 
-#: tiramisu/config.py:780
+#: tiramisu/config.py:781
 msgid "groupconfig's children must be a list"
 msgstr ""
 
-#: tiramisu/config.py:784
+#: tiramisu/config.py:785
 msgid "groupconfig's children must be Config, MetaConfig or GroupConfig"
 msgstr ""
 
-#: tiramisu/config.py:791
+#: tiramisu/config.py:792
 msgid "config name must be uniq in groupconfig for \"{0}\""
 msgstr ""
 
-#: tiramisu/config.py:961
+#: tiramisu/config.py:962
 msgid "unknown config \"{}\""
 msgstr ""
 
-#: tiramisu/config.py:986 tiramisu/config.py:1201
+#: tiramisu/config.py:987 tiramisu/config.py:1202
 msgid "{}config's children should be config, not {}"
 msgstr ""
 
-#: tiramisu/config.py:991
+#: tiramisu/config.py:992
 msgid "child must be a Config, MixConfig or MetaConfig"
 msgstr ""
 
-#: tiramisu/config.py:993
+#: tiramisu/config.py:994
 msgid "child has already a {}config's"
 msgstr ""
 
-#: tiramisu/config.py:1022
+#: tiramisu/config.py:1023
 msgid "force_default, force_default_if_same or force_dont_change_value cannot be set with only_config"
 msgstr ""
 
-#: tiramisu/config.py:1044
+#: tiramisu/config.py:1045
 msgid "force_default and force_dont_change_value cannot be set together"
 msgstr ""
 
-#: tiramisu/config.py:1188
+#: tiramisu/config.py:1189
 msgid "MetaConfig with optiondescription must have string has child, not {}"
 msgstr ""
 
-#: tiramisu/config.py:1206
+#: tiramisu/config.py:1207
 msgid "child must be a Config or MetaConfig"
 msgstr ""
 
-#: tiramisu/config.py:1210
+#: tiramisu/config.py:1211
 msgid "all config in metaconfig must have the same optiondescription"
 msgstr ""
 
-#: tiramisu/config.py:1223
+#: tiramisu/config.py:1224
 msgid "config name must be uniq in groupconfig for {0}"
 msgstr ""
 
-#: tiramisu/config.py:1248
+#: tiramisu/config.py:1249
 msgid "cannot find the config {}"
 msgstr ""
 
@@ -223,11 +223,11 @@ msgstr ""
 msgid " {} "
 msgstr ""
 
-#: tiramisu/error.py:103 tiramisu/setting.py:562
+#: tiramisu/error.py:103 tiramisu/setting.py:559
 msgid "property"
 msgstr ""
 
-#: tiramisu/error.py:105 tiramisu/setting.py:564
+#: tiramisu/error.py:105 tiramisu/setting.py:561
 msgid "properties"
 msgstr ""
 
@@ -271,96 +271,96 @@ msgstr ""
 msgid "param must have a boolean not a {} for notraisepropertyerror"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:78 tiramisu/option/symlinkoption.py:33
+#: tiramisu/option/baseoption.py:75 tiramisu/option/symlinkoption.py:33
 msgid "\"{0}\" is an invalid name for an option"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:96
+#: tiramisu/option/baseoption.py:93
 msgid "invalid properties type {0} for {1}, must be a frozenset"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:118
+#: tiramisu/option/baseoption.py:115
 msgid "conflict: properties already set in requirement {0} for {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:165
+#: tiramisu/option/baseoption.py:162
 msgid "{0} must be a function"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:167
+#: tiramisu/option/baseoption.py:164
 msgid "{0}_params must be a params"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:208
+#: tiramisu/option/baseoption.py:205
 msgid "cannot find those arguments \"{}\" in function \"{}\" for \"{}\""
 msgstr ""
 
-#: tiramisu/option/baseoption.py:227
+#: tiramisu/option/baseoption.py:224
 msgid "missing those arguments \"{}\" in function \"{}\" for \"{}\""
 msgstr ""
 
-#: tiramisu/option/baseoption.py:260
+#: tiramisu/option/baseoption.py:257
 msgid "params defined for a callback function but no callback defined yet for option \"{0}\""
 msgstr ""
 
-#: tiramisu/option/baseoption.py:352 tiramisu/storage/dictionary/value.py:284
-#: tiramisu/storage/sqlite3/value.py:214
+#: tiramisu/option/baseoption.py:349 tiramisu/storage/dictionary/value.py:275
+#: tiramisu/storage/sqlite3/value.py:201
 msgid "information's item not found: {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:365
+#: tiramisu/option/baseoption.py:362
 msgid "'{0}' ({1}) object attribute '{2}' is read-only"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:396
+#: tiramisu/option/baseoption.py:393
 msgid "\"{}\" ({}) object attribute \"{}\" is read-only"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:450
+#: tiramisu/option/baseoption.py:447
 msgid "malformed requirements must be an option in option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:453
+#: tiramisu/option/baseoption.py:450
 msgid "malformed requirements multi option must not set as requires of non multi option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:486
+#: tiramisu/option/baseoption.py:483
 msgid "malformed requirements expected must have option and value for option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:493 tiramisu/option/baseoption.py:509
+#: tiramisu/option/baseoption.py:490 tiramisu/option/baseoption.py:506
 msgid "malformed requirements expected value must be valid for option {0}: {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:523
+#: tiramisu/option/baseoption.py:520
 msgid "malformed requirements for option: {0} action cannot be force_store_value"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:531
+#: tiramisu/option/baseoption.py:528
 msgid "malformed requirements for option: {0} inverse must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:538
+#: tiramisu/option/baseoption.py:535
 msgid "malformed requirements for option: {0} transitive must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:545
+#: tiramisu/option/baseoption.py:542
 msgid "malformed requirements for option: {0} same_action must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:552
+#: tiramisu/option/baseoption.py:549
 msgid "malformed requirements for option: \"{0}\" operator must be \"or\" or \"and\""
 msgstr ""
 
-#: tiramisu/option/baseoption.py:564
+#: tiramisu/option/baseoption.py:561
 msgid "malformed requirements type for option: {0}, must be a dict"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:570
+#: tiramisu/option/baseoption.py:567
 msgid "malformed requirements for option: {0} unknown keys {1}, must only {2}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:579
+#: tiramisu/option/baseoption.py:576
 msgid "malformed requirements for option: {0} require must have option, expected and action keys"
 msgstr ""
 
@@ -373,8 +373,8 @@ msgid "broadcast address"
 msgstr ""
 
 #: tiramisu/option/broadcastoption.py:38 tiramisu/option/dateoption.py:37
-#: tiramisu/option/domainnameoption.py:113 tiramisu/option/ipoption.py:73
-#: tiramisu/option/netmaskoption.py:40 tiramisu/option/networkoption.py:38
+#: tiramisu/option/domainnameoption.py:113 tiramisu/option/ipoption.py:77
+#: tiramisu/option/netmaskoption.py:40 tiramisu/option/networkoption.py:67
 #: tiramisu/option/passwordoption.py:38 tiramisu/option/portoption.py:106
 #: tiramisu/option/urloption.py:40
 msgid "invalid string"
@@ -440,23 +440,23 @@ msgstr ""
 msgid "invalid length (max {0})"
 msgstr ""
 
-#: tiramisu/option/domainnameoption.py:127
+#: tiramisu/option/domainnameoption.py:121
 msgid "must not be an IP"
 msgstr ""
 
-#: tiramisu/option/domainnameoption.py:131
+#: tiramisu/option/domainnameoption.py:125
 msgid "must have dot"
 msgstr ""
 
-#: tiramisu/option/domainnameoption.py:133
+#: tiramisu/option/domainnameoption.py:127
 msgid "invalid length (max 255)"
 msgstr ""
 
-#: tiramisu/option/domainnameoption.py:141
+#: tiramisu/option/domainnameoption.py:135
 msgid "some characters are uppercase"
 msgstr ""
 
-#: tiramisu/option/domainnameoption.py:144
+#: tiramisu/option/domainnameoption.py:138
 msgid "some characters may cause problems"
 msgstr ""
 
@@ -508,31 +508,39 @@ msgstr ""
 msgid "value must be less than \"{0}\""
 msgstr ""
 
-#: tiramisu/option/ipoption.py:33
+#: tiramisu/option/ipoption.py:35
 msgid "IP"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:91
-msgid "shouldn't in reserved class"
+#: tiramisu/option/ipoption.py:83 tiramisu/option/networkoption.py:73
+msgid "must use CIDR notation"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:93 tiramisu/option/networkoption.py:57
-msgid "mustn't be in reserved class"
+#: tiramisu/option/ipoption.py:105
+msgid "shouldn't be reserved IP"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:97
-msgid "should be in private class"
+#: tiramisu/option/ipoption.py:107
+msgid "mustn't be reserved IP"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:99
-msgid "must be in private class"
+#: tiramisu/option/ipoption.py:111
+msgid "should be private IP"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:109
+#: tiramisu/option/ipoption.py:113
+msgid "must be private IP"
+msgstr ""
+
+#: tiramisu/option/ipoption.py:141
+msgid "\"{0}\" is not in network \"{1}\" (\"{2}\")"
+msgstr ""
+
+#: tiramisu/option/ipoption.py:157
 msgid "ip_network needs an IP, a network and a netmask"
 msgstr ""
 
-#: tiramisu/option/ipoption.py:115
+#: tiramisu/option/ipoption.py:163
 msgid "\"{4}\" is not in network \"{0}\"/\"{1}\" (\"{2}\"/\"{3}\")"
 msgstr ""
 
@@ -576,40 +584,44 @@ msgstr ""
 msgid "network_netmask needs a network and a netmask"
 msgstr ""
 
-#: tiramisu/option/netmaskoption.py:78
-msgid "ip_netmask needs an IP and a netmask"
-msgstr ""
-
-#: tiramisu/option/netmaskoption.py:105
-msgid "this is a network with netmask \"{0}\" (\"{1}\")"
-msgstr ""
-
-#: tiramisu/option/netmaskoption.py:107
-msgid "this is a network with {2} \"{0}\" (\"{1}\")"
-msgstr ""
-
-#: tiramisu/option/netmaskoption.py:110
-msgid "this is a broadcast with netmask \"{0}\" (\"{1}\")"
-msgstr ""
-
-#: tiramisu/option/netmaskoption.py:112
-msgid "this is a broadcast with {2} \"{0}\" (\"{1}\")"
-msgstr ""
-
-#: tiramisu/option/netmaskoption.py:117
+#: tiramisu/option/netmaskoption.py:68
 msgid "with netmask \"{0}\" (\"{1}\")"
 msgstr ""
 
-#: tiramisu/option/netmaskoption.py:119
-msgid "with {2} \"{0}\" (\"{1}\")"
+#: tiramisu/option/netmaskoption.py:70
+msgid "with network \"{0}\" (\"{1}\")"
+msgstr ""
+
+#: tiramisu/option/netmaskoption.py:88
+msgid "ip_netmask needs an IP and a netmask"
+msgstr ""
+
+#: tiramisu/option/netmaskoption.py:99
+msgid "this is a network with netmask \"{0}\" (\"{1}\")"
+msgstr ""
+
+#: tiramisu/option/netmaskoption.py:101
+msgid "{2} \"{0}\" (\"{1}\") is the network"
+msgstr ""
+
+#: tiramisu/option/netmaskoption.py:104
+msgid "this is a broadcast with netmask \"{0}\" (\"{1}\")"
+msgstr ""
+
+#: tiramisu/option/netmaskoption.py:106
+msgid "{2} \"{0}\" (\"{1}\") is the broadcast"
 msgstr ""
 
 #: tiramisu/option/networkoption.py:31
 msgid "network address"
 msgstr ""
 
-#: tiramisu/option/networkoption.py:55
-msgid "shouldn't be in reserved class"
+#: tiramisu/option/networkoption.py:90
+msgid "shouldn't be reserved network"
+msgstr ""
+
+#: tiramisu/option/networkoption.py:92
+msgid "mustn't be reserved network"
 msgstr ""
 
 #: tiramisu/option/option.py:78
@@ -636,79 +648,79 @@ msgstr ""
 msgid "invalid default_multi value \"{0}\" for option \"{1}\", must be a list for a submulti"
 msgstr ""
 
-#: tiramisu/option/option.py:255
+#: tiramisu/option/option.py:249
 msgid "invalid value \"{}\", this value is already in \"{}\""
 msgstr ""
 
-#: tiramisu/option/option.py:285
+#: tiramisu/option/option.py:279
 msgid "which must not be a list"
 msgstr ""
 
-#: tiramisu/option/option.py:319 tiramisu/option/option.py:328
+#: tiramisu/option/option.py:313 tiramisu/option/option.py:322
 msgid "which must be a list"
 msgstr ""
 
-#: tiramisu/option/option.py:333
+#: tiramisu/option/option.py:327
 msgid "which \"{}\" must be a list of list"
 msgstr ""
 
-#: tiramisu/option/option.py:375
+#: tiramisu/option/option.py:369
 msgid "default value not allowed if option \"{0}\" is calculated"
 msgstr ""
 
-#: tiramisu/option/option.py:423
+#: tiramisu/option/option.py:417
 msgid "'{0}' ({1}) cannot add consistency, option is read-only"
 msgstr ""
 
-#: tiramisu/option/option.py:431
+#: tiramisu/option/option.py:425
 msgid "consistency {0} not available for this option"
 msgstr ""
 
-#: tiramisu/option/option.py:438
+#: tiramisu/option/option.py:432
 msgid "unknown parameter {0} in consistency"
 msgstr ""
 
-#: tiramisu/option/option.py:550 tiramisu/option/option.py:555
+#: tiramisu/option/option.py:544 tiramisu/option/option.py:549
 msgid "cannot add consistency with submulti option"
 msgstr ""
 
-#: tiramisu/option/option.py:556
+#: tiramisu/option/option.py:550
 msgid "consistency must be set with an option, not {}"
 msgstr ""
 
-#: tiramisu/option/option.py:559 tiramisu/option/option.py:567
+#: tiramisu/option/option.py:553 tiramisu/option/option.py:561
 msgid "almost one option in consistency is in a dynoptiondescription but not all"
 msgstr ""
 
-#: tiramisu/option/option.py:563
+#: tiramisu/option/option.py:557
 msgid "option in consistency must be in same dynoptiondescription"
 msgstr ""
 
-#: tiramisu/option/option.py:570
+#: tiramisu/option/option.py:564
 msgid "cannot add consistency with itself"
 msgstr ""
 
-#: tiramisu/option/option.py:572
+#: tiramisu/option/option.py:566
 msgid "every options in consistency must be multi or none"
 msgstr ""
 
-#: tiramisu/option/option.py:612
+#: tiramisu/option/option.py:606
 msgid "unexpected length of \"{}\" in constency \"{}\", should be \"{}\""
 msgstr ""
 
-#: tiramisu/option/option.py:712
+#: tiramisu/option/option.py:706
 msgid "should be different from the value of \"{}\""
 msgstr ""
 
-#: tiramisu/option/option.py:714
+#: tiramisu/option/option.py:708
 msgid "must be different from the value of \"{}\""
 msgstr ""
 
-#: tiramisu/option/option.py:717
+#: tiramisu/option/option.py:711
 msgid "value for {} should be different"
 msgstr ""
 
-#: tiramisu/option/option.py:719
+#: tiramisu/option/option.py:713
 msgid "value for {} must be different"
 msgstr ""
 
@@ -725,12 +737,12 @@ msgstr ""
 msgid "the dynoption \"{0}\" cannot have \"force_store_value\" property"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:97 tiramisu/setting.py:642
+#: tiramisu/option/optiondescription.py:97 tiramisu/setting.py:639
 msgid "a leader ({0}) cannot have \"force_default_on_freeze\" or \"force_metaconfig_on_freeze\" property without \"frozen\""
 msgstr ""
 
 #: tiramisu/option/optiondescription.py:106
-msgid "malformed consistency option \"{0}\" must be a leadership"
+msgid "malformed consistency option \"{0}\" must be in same leadership"
 msgstr ""
 
 #: tiramisu/option/optiondescription.py:114
@@ -841,55 +853,55 @@ msgstr ""
 msgid "username"
 msgstr ""
 
-#: tiramisu/setting.py:253
+#: tiramisu/setting.py:250
 msgid "can't rebind {0}"
 msgstr ""
 
-#: tiramisu/setting.py:258
+#: tiramisu/setting.py:255
 msgid "can't unbind {0}"
 msgstr ""
 
-#: tiramisu/setting.py:521
+#: tiramisu/setting.py:518
 msgid "malformed requirements imbrication detected for option: '{0}' with requirement on: '{1}'"
 msgstr ""
 
-#: tiramisu/setting.py:565
+#: tiramisu/setting.py:562
 msgid "cannot access to option \"{0}\" because required option \"{1}\" has {2} {3}"
 msgstr ""
 
-#: tiramisu/setting.py:589
+#: tiramisu/setting.py:586
 msgid "the value of \"{0}\" is {1}"
 msgstr ""
 
-#: tiramisu/setting.py:591
+#: tiramisu/setting.py:588
 msgid "the value of \"{0}\" is not {1}"
 msgstr ""
 
-#: tiramisu/setting.py:632
+#: tiramisu/setting.py:629
 msgid "cannot set property {} for option \"{}\" this property is calculated"
 msgstr ""
 
-#: tiramisu/setting.py:637
+#: tiramisu/setting.py:634
 msgid "can't assign property to the symlinkoption \"{}\""
 msgstr ""
 
-#: tiramisu/setting.py:669
+#: tiramisu/setting.py:666
 msgid "permissive must be a frozenset"
 msgstr ""
 
-#: tiramisu/setting.py:673
+#: tiramisu/setting.py:670
 msgid "can't assign permissive to the symlinkoption \"{}\""
 msgstr ""
 
-#: tiramisu/setting.py:680
+#: tiramisu/setting.py:677
 msgid "cannot add those permissives: {0}"
 msgstr ""
 
-#: tiramisu/setting.py:697
+#: tiramisu/setting.py:694
 msgid "can't reset properties to the symlinkoption \"{}\""
 msgstr ""
 
-#: tiramisu/setting.py:712
+#: tiramisu/setting.py:709
 msgid "can't reset permissives to the symlinkoption \"{}\""
 msgstr ""
 
@@ -910,12 +922,12 @@ msgstr ""
 msgid "a dictionary cannot be persistent"
 msgstr ""
 
-#: tiramisu/storage/dictionary/value.py:293
-#: tiramisu/storage/sqlite3/value.py:227
+#: tiramisu/storage/dictionary/value.py:284
+#: tiramisu/storage/sqlite3/value.py:213
 msgid "information's item not found {0}"
 msgstr ""
 
-#: tiramisu/storage/dictionary/value.py:312
+#: tiramisu/storage/dictionary/value.py:303
 msgid "cannot delete none persistent session"
 msgstr ""
 
@@ -923,19 +935,19 @@ msgstr ""
 msgid "cannot change setting when connexion is already opened"
 msgstr ""
 
-#: tiramisu/value.py:413
+#: tiramisu/value.py:424
 msgid "can't set owner for the symlinkoption \"{}\""
 msgstr ""
 
-#: tiramisu/value.py:416 tiramisu/value.py:628
+#: tiramisu/value.py:427 tiramisu/value.py:639
 msgid "set owner \"{0}\" is forbidden"
 msgstr ""
 
-#: tiramisu/value.py:419
+#: tiramisu/value.py:430
 msgid "no value for {0} cannot change owner to {1}"
 msgstr ""
 
-#: tiramisu/value.py:497
+#: tiramisu/value.py:508
 msgid "index \"{}\" is higher than the length \"{}\" for option \"{}\""
 msgstr ""