Added test writable star source
Uses nested serializer with parent object
Moved get component from object after test source is star
Fixed copy-paste
Change serializer name for removing confusion
Merge pull request #1477 from vlastv/patch-1

Writable star source with instance
add regression tests for field Validators

pep8 and add issue no

fix formatting for python 2.6 and strings for python 3.2
Merge pull request #1493 from r4vi/fieldValidator-not-applied

add regression tests for field Validators