Conversion of choices to FieldTagListFormatter moved to init.
Testing TagMeCharfield, in some cases a model for meta data does not exist, added a fix by testing for model attr in formfield override.
Removed redundant tests.
Updated broken tests due to minor changes in the code.
Conversion of choices to FieldTagListFormatter moved to init. Testing TagMeCharfield, in some cases a model for meta data does not exist, added a fix by testing for model attr in formfield override.
Removed redundant tests. Updated broken tests due to minor changes in the code.
closes #108
closes #109