Fix tag cache key
Fix error on setting tag cache queryset
Add get_custom_field_value templatetag
PEP8
Update CHANGELOG
Add fields app initial tests
Fix custom field value templatetag
Fix TinyMCE fullscreen bug on embedded content
Fix filter and exclude queryset by when queryset receives non queryset
arg
Add missing default value on gettattr
add method _limit/_page on api Handler
Used method _limit/_page on containers api
Merge branch 'master' of github.com:opps/opps into box_threading

* 'master' of github.com:opps/opps:
  Used method _limit/_page on containers api
  add method _limit/_page on api Handler
  Add missing default value on gettattr
  Fix filter and exclude queryset by when queryset receives non queryset arg
  Fix TinyMCE fullscreen bug on embedded content
  Fix custom field value templatetag
  Add fields app initial tests
  Update CHANGELOG
  PEP8
  Add get_custom_field_value templatetag
  Fix error on setting tag cache queryset
  Fix tag cache key