fixed precision on getPointAtLength
fixed precision on getPointAtLength

jhars/StateMap,luisdesig/raphael,mcanthony/raphael,didiercrunch/raphael,Customly/raphael,DmitryBaranovskiy/raphael,luisdesig/raphael,prepare/raphael,dpogue/raphael,DmitryBaranovskiy/raphael,prepare/raphael,henrical/raphael,giobero999/raphael,wasabia/raphael,didiercrunch/raphael,bqevin/raphael,giobero999/raphael,MD4/raphael,danielgindi/raphael,wewelove/raphael,npmcomponent/richthegeek-raphael,jhars/StateMap,cncounter/raphaeljs,pmcelhaney/raphael,Customly/raphael,oat-sa/raphael,mcanthony/raphael,wewelove/raphael,MD4/raphael,henrical/raphael,bpartridge/raphael,danielgindi/raphael,wasabia/raphael,cncounter/raphaeljs,dpogue/raphael,raphael-proust/raphael,bqevin/raphael