added groups for serialization
Merge branch 'develop' of git://github.com/sulu-cmf/SuluTagBundle into feature/api-entities
added some debug output to test
changed test references
Merge pull request #42 from sulu-cmf/feature/api-entities

[WIP][FEATURE] added groups for serialization
added filter test case
added searchfields
fixed tests
Merge branch 'develop' into bugfix/tags-filter
corrected test
Merge branch 'bugfix/tags-filter' into develop
fixed tests
Merge branch 'develop'
updated version numbers