Fix color disappear on windows ruby2.0 (#961). Ruby 2.0 on windows supports ANSI escape sequences, so change use_ansi_codes? method to not return nil under Ruby 2.0 on windows environment.
Fix color disappear on windows ruby2.0 (#961). Ruby 2.0 on windows supports ANSI escape sequences, so change use_ansi_codes? method to not return nil under Ruby 2.0 on windows environment.

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