fixed bug with group_by

Author: kevinchekovfeeney

lib/woql.js

@@ -192,9 +192,10 @@ WOQLQuery.prototype.group_by = function(gvarlist, groupedvar, groupquery, output
 		args.push({'list': gvarlist});
 	}
 	if(typeof groupedvar == "object" && groupedvar.length){
+		
 		ng = [];
 		for(var i = 0; i<groupedvar.length; i++){
-			ng.push(groupedvar[i].substring(0, 2) != "v:" ? "v:" + groupedvar[i] : groupedvar);			
+			ng.push(groupedvar[i].substring(0, 2) != "v:" ? "v:" + groupedvar[i] : groupedvar[i]);			
 		}
 		groupedvar = {"list": ng};
 	}
@@ -1391,6 +1392,7 @@ WOQLQuery.prototype.argIsSubQuery = function(operator, arg, index){
 		if(arg && typeof arg != "object") return false;
 		return true;
 	}
+	if(operator == "group_by" && index == 2) return true;
 	else return false;
 }