make the pooling docs less sucky
make the pooling docs less sucky

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