Finished up the keyword resolution issue and fixed for, while and until. Other tags still need work.

__set.cpp

@@ -24,9 +24,9 @@ namespace jet {
       resolveKeyword("name"); 
       
       if(variableDefined("expr")) {
-	 resolveKeyword("eval");
+	 resolveKeyword("expr");
 	 if(!variableDefined("scope") || (variables["scope"] == "global")) 
-	   global.variables[variables["name"]] = Operand(variables["expr"]).string;
+	   global.variables[variables["name"]] = Operand(variables["expr"]).string;	 
 	 else if(variables["scope"] == "local")
 	   parent->variables[variables["name"]] = Operand(variables["expr"]).string;
 	 else if(variables["scope"] == "parent")