Fix: MSSQL set identity_insert and errors [ticket:538]
Fix: MSSQL set identity_insert and errors [ticket:538]

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