better symlink support and submulti

test/data/subconfig_unicode1_leadership_requires_follower_value.dict

@@ -1 +1 @@
-{"unicode1_leadership_requires_follower_value.options.unicode1.unicode1": ["test", "pas test"], "unicode1_leadership_requires_follower_value.options.unicode1.unicode2": ["super1", null], "unicode1_leadership_requires_follower_value.options.unicode1.unicode3": ["super1", "cannot access to option \"Unicode follower 2\" because has property \"hidden\" (the value of \"Values 'test' must show 'Unicode follower 2'\" is not \"test\")"]}
+{"unicode1_leadership_requires_follower_value.options.unicode1.unicode1": ["test", "pas test"], "unicode1_leadership_requires_follower_value.options.unicode1.unicode2": ["super1", null], "unicode1_leadership_requires_follower_value.options.unicode1.unicode3": ["super1", "ne peut acc\u00e9der \u00e0 l'option \"Unicode follower 2\" a cause de la propri\u00e9t\u00e9 \"hidden\" (la valeur de \"Values 'test' must show 'Unicode follower 2'\" n'est pas \"test\")"]}

test/data/subconfig_unicode1_leadership_requires_value.dict

@@ -1 +1 @@
-{"unicode1_leadership_requires_value.options.unicode.unicode": ["test", "val2"], "unicode1_leadership_requires_value.options.unicode.unicode1": ["super1", "super2"], "unicode1_leadership_requires_value.options.unicode.unicode2": ["pas test", "test"], "unicode1_leadership_requires_value.options.unicode.unicode3": [null, "cannot access to option \"Unicode follower 3\" because has property \"hidden\" (the value of \"Values 'test' must show 'Unicode follower 3'\" is not \"test\")"]}
+{"unicode1_leadership_requires_value.options.unicode.unicode": ["test", "val2"], "unicode1_leadership_requires_value.options.unicode.unicode1": ["super1", "super2"], "unicode1_leadership_requires_value.options.unicode.unicode2": ["pas test", "test"], "unicode1_leadership_requires_value.options.unicode.unicode3": [null, "ne peut acc\u00e9der \u00e0 l'option \"Unicode follower 3\" a cause de la propri\u00e9t\u00e9 \"hidden\" (la valeur de \"Values 'test' must show 'Unicode follower 3'\" n'est pas \"test\")"]}

test/data/subconfig_unicode1_multi_mandatory.prop

@@ -1 +1 @@
-{"unicode1_multi_mandatory.options.unicode": {"null": ["empty", "mandatory"]}}
+{"unicode1_multi_mandatory.options.unicode": {"null": ["mandatory", "empty"]}}

test/data/unicode1_leadership_requires_follower_value.dict

@@ -1 +1 @@
-{"options.unicode1.unicode1": ["test", "pas test"], "options.unicode1.unicode2": ["super1", null], "options.unicode1.unicode3": ["super1", "cannot access to option \"Unicode follower 2\" because has property \"hidden\" (the value of \"Values 'test' must show 'Unicode follower 2'\" is not \"test\")"]}
+{"options.unicode1.unicode1": ["test", "pas test"], "options.unicode1.unicode2": ["super1", null], "options.unicode1.unicode3": ["super1", "ne peut acc\u00e9der \u00e0 l'option \"Unicode follower 2\" a cause de la propri\u00e9t\u00e9 \"hidden\" (la valeur de \"Values 'test' must show 'Unicode follower 2'\" n'est pas \"test\")"]}

test/data/unicode1_leadership_requires_value.dict

@@ -1 +1 @@
-{"options.unicode.unicode": ["test", "val2"], "options.unicode.unicode1": ["super1", "super2"], "options.unicode.unicode2": ["pas test", "test"], "options.unicode.unicode3": [null, "cannot access to option \"Unicode follower 3\" because has property \"hidden\" (the value of \"Values 'test' must show 'Unicode follower 3'\" is not \"test\")"]}
+{"options.unicode.unicode": ["test", "val2"], "options.unicode.unicode1": ["super1", "super2"], "options.unicode.unicode2": ["pas test", "test"], "options.unicode.unicode3": [null, "ne peut acc\u00e9der \u00e0 l'option \"Unicode follower 3\" a cause de la propri\u00e9t\u00e9 \"hidden\" (la valeur de \"Values 'test' must show 'Unicode follower 3'\" n'est pas \"test\")"]}

test/data/unicode1_multi_mandatory.prop

@@ -1 +1 @@
-{"options.unicode": {"null": ["empty", "mandatory"]}}
+{"options.unicode": {"null": ["mandatory", "empty"]}}