Update readme to point to links.

Change-Id: I1700d9602519975729e1909dc9be29efa4d2fa32
Allow instance methods to be wrapped and unwrapped correctly.

Change-Id: Ia29e0e8a54fa815dec88016a9444fe7cfad7b8ac
Added generic persistence API and generic types

Generic API currently uses a sqlalchemy backend.

Change-Id: I55784b28c9a91ca646ae913acd832cc70bb35718