bump version to 0.9.0pre2
bump version to 0.9.0pre2

bronzdoc/pry,pvdb/pry,geoffreylitt/pry,tdg5/pry,gfvcastro/pry,caporta/pry,printercu/pry,icebreaker/pry,richo/pry,shockone/pry,ooohiroyukiooo/pry,bronzdoc/pry,josue804/debunker,raeno/pry,85x14/pry,jasonm23/pry,pvdb/pry,scalixte-mdsol/pry,gfvcastro/pry,nju520/pry,85x14/pry,raeno/pry,scalixte-mdsol/pry,tdg5/pry,raeno/pry,shockone/pry,ngpestelos/pry,sferik/pry,sferik/pry,ooohiroyukiooo/pry,shockone/pry,jasnow/pry,printercu/pry,caporta/pry,geoffreylitt/pry,scalixte-mdsol/pry,jasonm23/pry,josue804/debunker,tdg5/pry,nju520/pry,jasonm23/pry,ooohiroyukiooo/pry,jasnow/pry,caporta/pry,deivid-rodriguez/pry,icebreaker/pry,nju520/pry,ngpestelos/pry,sideci-sample/sideci-sample-pry,85x14/pry,jasnow/pry