unreserve args as keyword in macro definitions

src/kiss/Helpers.hx

@@ -272,7 +272,7 @@ class Helpers {
 
         // TODO if an internal evaluation ever needs to end before its outer evaluation is done,
         // this will cause problems because the old args will be overwritten and lost
-        interps[-1].variables.set("args", args); // trippy
+        interps[-1].variables.set("__args__", args); // trippy
         if (args != null) {
             for (arg => value in args) {
                 interps[-1].variables.set(arg, value);

src/kiss/Kiss.hx

@@ -234,7 +234,7 @@ class Kiss {
             case Quasiquote(innerExp):
                 // This statement actually turns into an HScript expression before running
                 macro {
-                    Helpers.evalUnquotes($v{innerExp}, k, args).def;
+                    Helpers.evalUnquotes($v{innerExp}, k, __args__).def;
                 };
             default:
                 throw CompileError.fromExp(exp, 'conversion not implemented');