OPerand now does its own expression parsing.

__until.cpp

@@ -47,7 +47,7 @@ namespace jet {
 	    variables["expr"].reset();
 	    variables["expr"] = exprSaved;
 	    resolveKeyword("expr");
-	    booleanResult = Operand(variables["expr"]).boolean;
+	    booleanResult = Operand(variables["expr"], global, parent->variables).boolean;
 	 } else {
 	    booleanResult = false;
 	    int rc = variables["value1"].compare(variables["value2"]);