function polygonSlice(polygon, cutEdges){
    if(cutEdges.length === 0){
		return [polygon];
    }
    if(cutEdges instanceof Array && cutEdges.length && cutEdges[0] instanceof Array && cutEdges[0].length===2 && cutEdges[0][0] instanceof Array){

        var polys = [polygon];

        for(var i=0; i<cutEdges.length; i++){
            var cutEdge = cutEdges[i];
            // Cut all polys
            for(var j=0; j<polys.length; j++){
                var poly = polys[j];
                var result = polygonSlice(poly, cutEdge);
                if(result){
                    // Found poly! Cut and quit
                    polys.splice(j,1);
                    polys.push(result[0],result[1]);
                    break;
                }
            }
        }

        return polys;
    } else {

        // Was given one edge
        var cutEdge = cutEdges;
        var i = polygon.indexOf(cutEdge[0]);
        var j = polygon.indexOf(cutEdge[1]);

        if(i !== -1 && j !== -1){
            return [polygonCopy(polygon, i,j),
                    polygonCopy(polygon, j,i)];
        } else {
            return false;
        }
    }
}
Slices the polygon given one or more cut edges. If given one, this function will return two polygons (false on failure). If many, an array of polygons.
@method slice
@param {Array} cutEdges A list of edges, as returned by .getCutEdges()
@return {Array}