foreignkey infer Getattr, use explicit inference
Add methods and members to ManyToManyField
Merge pull request #27 from mbarrien/foreignkey-infer

foreignkey infer Getattr, use inference hint instead of node replacement
Merge pull request #28 from mbarrien/manytomany-methods

Add methods and members to ManyToManyField
Bumping version for release of 0.5.5
Updating changelog for versions 0.5.2-0.5.5
Merging from master