diff --git a/translations/fr/tiramisu.po b/translations/fr/tiramisu.po
index 459e281..90a62dc 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: 2014-03-09 20:13+CET\n"
+"POT-Creation-Date: 2014-03-09 20:14+CET\n"
 "PO-Revision-Date: \n"
 "Last-Translator: Emmanuel Garette <egarette@cadoles.com>\n"
 "Language-Team: Tiramisu's team <egarette@cadoles.com>\n"
@@ -30,7 +30,7 @@ msgid "unknown group_type: {0}"
 msgstr "group_type inconnu: {0}"
 
 #: tiramisu/config.py:164 tiramisu/setting.py:339 tiramisu/value.py:57
-#: tiramisu/value.py:449
+#: tiramisu/value.py:485
 msgid "the context does not exist anymore"
 msgstr "le context n'existe plus"
 
@@ -477,24 +477,24 @@ msgid "if opt is not None, path should not be None in _getproperties"
 msgstr ""
 "si opt n'est pas None, path devrait ne pas être à None dans _getproperties"
 
-#: tiramisu/setting.py:483
+#: tiramisu/setting.py:487
 msgid "cannot change the value for option {0} this option is frozen"
 msgstr ""
 "ne peut modifier la valeur de l'option {0} cette option n'est pas modifiable"
 
-#: tiramisu/setting.py:489
+#: tiramisu/setting.py:493
 msgid "trying to access to an option named: {0} with properties {1}"
 msgstr "tentative d'accès à une option nommée : {0} avec les propriétés {1}"
 
-#: tiramisu/setting.py:507
+#: tiramisu/setting.py:511
 msgid "permissive must be a tuple"
 msgstr "permissive doit être un tuple"
 
-#: tiramisu/setting.py:514 tiramisu/value.py:334
+#: tiramisu/setting.py:518 tiramisu/value.py:334
 msgid "invalid generic owner {0}"
 msgstr "invalide owner générique {0}"
 
-#: tiramisu/setting.py:602
+#: tiramisu/setting.py:606
 msgid ""
 "malformed requirements imbrication detected for option: '{0}' with "
 "requirement on: '{1}'"
@@ -502,7 +502,7 @@ msgstr ""
 "imbrication de requirements mal formés detectée pour l'option : '{0}' avec "
 "requirement sur : '{1}'"
 
-#: tiramisu/setting.py:613
+#: tiramisu/setting.py:617
 msgid "option '{0}' has requirement's property error: {1} {2}"
 msgstr "l'option '{0}' a une erreur de propriété pour le requirement : {1} {2}"
 
@@ -531,43 +531,48 @@ msgstr "un espace de stockage dictionary ne peut être persistant"
 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:426
+#: tiramisu/value.py:423
+msgid "can force cache only if cache is actived in config"
+msgstr ""
+"peut force la mise en cache seulement si le cache est activé dans la config"
+
+#: tiramisu/value.py:462
 msgid "{0} is already a Multi "
 msgstr "{0} est déjà une Multi"
 
-#: tiramisu/value.py:462 tiramisu/value.py:526
+#: tiramisu/value.py:498 tiramisu/value.py:562
 msgid "invalid len for the slave: {0} which has {1} as master"
 msgstr "longueur invalide pour une esclave : {0} qui a {1} comme maître"
 
-#: tiramisu/value.py:498
+#: tiramisu/value.py:534
 msgid "cannot append a value on a multi option {0} which is a slave"
 msgstr "ne peut ajouter une valeur sur l'option multi {0} qui est une esclave"
 
-#: tiramisu/value.py:536
+#: tiramisu/value.py:572
 msgid "cannot sort multi option {0} if master or slave"
 msgstr "ne peut trier une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:540
+#: tiramisu/value.py:576
 msgid "cmp is not permitted in python v3 or greater"
 msgstr "cmp n'est pas permis en python v3 ou supérieure"
 
-#: tiramisu/value.py:549
+#: tiramisu/value.py:585
 msgid "cannot reverse multi option {0} if master or slave"
 msgstr "ne peut inverser une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:557
+#: tiramisu/value.py:593
 msgid "cannot insert multi option {0} if master or slave"
 msgstr "ne peut insérer une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:565
+#: tiramisu/value.py:601
 msgid "cannot extend multi option {0} if master or slave"
 msgstr "ne peut étendre une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:576
+#: tiramisu/value.py:612
 msgid "invalid value {0} for option {1}: {2}"
 msgstr "valeur invalide {0} pour l'option {1} : {2}"
 
-#: tiramisu/value.py:594
+#: tiramisu/value.py:630
 msgid "cannot pop a value on a multi option {0} which is a slave"
 msgstr "ne peut supprimer une valeur dans l'option multi {0} qui est esclave"
 
diff --git a/translations/tiramisu.pot b/translations/tiramisu.pot
index 2a20646..df39688 100644
--- a/translations/tiramisu.pot
+++ b/translations/tiramisu.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2014-03-09 20:13+CET\n"
+"POT-Creation-Date: 2014-03-09 20:14+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"
@@ -28,7 +28,7 @@ msgid "unknown group_type: {0}"
 msgstr ""
 
 #: tiramisu/config.py:164 tiramisu/setting.py:339 tiramisu/value.py:57
-#: tiramisu/value.py:449
+#: tiramisu/value.py:485
 msgid "the context does not exist anymore"
 msgstr ""
 
@@ -444,27 +444,27 @@ msgstr ""
 msgid "if opt is not None, path should not be None in _getproperties"
 msgstr ""
 
-#: tiramisu/setting.py:483
+#: tiramisu/setting.py:487
 msgid "cannot change the value for option {0} this option is frozen"
 msgstr ""
 
-#: tiramisu/setting.py:489
+#: tiramisu/setting.py:493
 msgid "trying to access to an option named: {0} with properties {1}"
 msgstr ""
 
-#: tiramisu/setting.py:507
+#: tiramisu/setting.py:511
 msgid "permissive must be a tuple"
 msgstr ""
 
-#: tiramisu/setting.py:514 tiramisu/value.py:334
+#: tiramisu/setting.py:518 tiramisu/value.py:334
 msgid "invalid generic owner {0}"
 msgstr ""
 
-#: tiramisu/setting.py:602
+#: tiramisu/setting.py:606
 msgid "malformed requirements imbrication detected for option: '{0}' with requirement on: '{1}'"
 msgstr ""
 
-#: tiramisu/setting.py:613
+#: tiramisu/setting.py:617
 msgid "option '{0}' has requirement's property error: {1} {2}"
 msgstr ""
 
@@ -492,43 +492,47 @@ msgstr ""
 msgid "no value for {0} cannot change owner to {1}"
 msgstr ""
 
-#: tiramisu/value.py:426
+#: tiramisu/value.py:423
+msgid "can force cache only if cache is actived in config"
+msgstr ""
+
+#: tiramisu/value.py:462
 msgid "{0} is already a Multi "
 msgstr ""
 
-#: tiramisu/value.py:462 tiramisu/value.py:526
+#: tiramisu/value.py:498 tiramisu/value.py:562
 msgid "invalid len for the slave: {0} which has {1} as master"
 msgstr ""
 
-#: tiramisu/value.py:498
+#: tiramisu/value.py:534
 msgid "cannot append a value on a multi option {0} which is a slave"
 msgstr ""
 
-#: tiramisu/value.py:536
+#: tiramisu/value.py:572
 msgid "cannot sort multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:540
+#: tiramisu/value.py:576
 msgid "cmp is not permitted in python v3 or greater"
 msgstr ""
 
-#: tiramisu/value.py:549
+#: tiramisu/value.py:585
 msgid "cannot reverse multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:557
+#: tiramisu/value.py:593
 msgid "cannot insert multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:565
+#: tiramisu/value.py:601
 msgid "cannot extend multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:576
+#: tiramisu/value.py:612
 msgid "invalid value {0} for option {1}: {2}"
 msgstr ""
 
-#: tiramisu/value.py:594
+#: tiramisu/value.py:630
 msgid "cannot pop a value on a multi option {0} which is a slave"
 msgstr ""