hijacked ticket #1007; adding in the '-' sign and last vertex in stroke
hijacked ticket #1007; adding in the '-' sign and last vertex in stroke

baiyanghese/processing-js,jaredly/processing-js,jaredly/processing-js,kevinb7/processing-js,guazipi/processing-js,baiyanghese/processing-js,corbanbrook/processing-js,kevinb7/processing-js,guazipi/processing-js,corbanbrook/processing-js,jeresig/processing-js,corbanbrook/processing-js,jeresig/processing-js