- merge 0.9 changelog
- merge 0.9 changelog

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