link date/time classes correctly, helps [ticket:2244]
link date/time classes correctly, helps [ticket:2244]

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