Fixed bug on call tag scope check. Added keyword duplicate check to Tag processing.

__call.cpp

@@ -51,7 +51,7 @@ namespace jet {
       close(fdo[1]);
       if(variableDefined("name")) {
 	 resolveKeyword("name");
-	 if(!variableDefined("scope") && (variables["scope"] == "global"))
+	 if(!variableDefined("scope") || (variables["scope"] == "global"))
 	   global.variables[variables["name"]].read(fdo[0]);
 	 else if(variables["scope"] == "local") 
 	   parent->variables[variables["name"]].read(fdo[0]);