tweak to TableImpl/ColumnImpl with the way they get their attribute
tweak to TableImpl/ColumnImpl with the way they get their attribute

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