added from_obj option to select()
added from_obj option to select()

olemis/sqlalchemy,davidfraser/sqlalchemy,bootandy/sqlalchemy,bdupharm/sqlalchemy,alex/sqlalchemy,Cito/sqlalchemy,alex/sqlalchemy,wfxiang08/sqlalchemy,davidfraser/sqlalchemy,elelianghh/sqlalchemy,Akrog/sqlalchemy,wujuguang/sqlalchemy,graingert/sqlalchemy,zzzeek/sqlalchemy,hsum/sqlalchemy,Cito/sqlalchemy,EvaSDK/sqlalchemy,halfcrazy/sqlalchemy,alex/sqlalchemy,ThiefMaster/sqlalchemy,elelianghh/sqlalchemy,pdufour/sqlalchemy,davidjb/sqlalchemy,halfcrazy/sqlalchemy,monetate/sqlalchemy,bdupharm/sqlalchemy,dstufft/sqlalchemy,epa/sqlalchemy,276361270/sqlalchemy,epa/sqlalchemy,monetate/sqlalchemy,graingert/sqlalchemy,j5int/sqlalchemy,ThiefMaster/sqlalchemy,brianv0/sqlalchemy,dstufft/sqlalchemy,itkovian/sqlalchemy,WinterNis/sqlalchemy,brianv0/sqlalchemy,itkovian/sqlalchemy,robin900/sqlalchemy,276361270/sqlalchemy,sandan/sqlalchemy,bootandy/sqlalchemy,inspirehep/sqlalchemy,davidjb/sqlalchemy,EvaSDK/sqlalchemy,robin900/sqlalchemy,WinterNis/sqlalchemy,olemis/sqlalchemy,hsum/sqlalchemy,j5int/sqlalchemy,inspirehep/sqlalchemy,sandan/sqlalchemy,Cito/sqlalchemy,Akrog/sqlalchemy,wujuguang/sqlalchemy,pdufour/sqlalchemy,sqlalchemy/sqlalchemy,wfxiang08/sqlalchemy