Added alias support for primary_keys= to be used as primary_key= since a composite key is really singular, so it makes sense to set it via the default Rails primary_key= method as well
Merge pull request #183 from AndyObtiva/master

Added alias support for primary_keys= to be used as primary_key=
Version bump: 6.0.2 fixes to AR v4 compatibility
Handle ID return values. Fixes #191
Merge pull request #192 from coderdan/master

Fixes setting of primary key on instances after creation #191
Version bump
Get CPK running on active record 4.1
Fix up create, some changes for update.
activerecord version bump