Laid ground work for resolveKeyword method on Tag and to not resolve automatically.

__set.cpp

@@ -1,6 +1,7 @@
 #include "__set.h"
 #include "Exception.h"
 #include "Operand.h"
+#include "KeywordValue.h"
 #include <iostream>
 
 namespace jet {
@@ -20,7 +21,10 @@ namespace jet {
       if(variableDefined("expr") && variableDefined("eval"))
 	throw coreutils::Exception("Cannot use eval with expr.");
 
-      if(variableDefined("expr")) {	   
+      resolveKeyword("name"); 
+      
+      if(variableDefined("expr")) {
+	 resolveKeyword("eval");
 	 if(!variableDefined("scope") || (variables["scope"] == "global")) 
 	   global.variables[variables["name"]] = Operand(variables["expr"]).string;
 	 else if(variables["scope"] == "local")
@@ -44,7 +48,8 @@ namespace jet {
 	    else if(variables["scope"] == "parent")
 	      parent->parent->variables[variables["name"]] = container;	    
 	 }	    
-      } else {	 
+      } else {
+	 resolveKeyword("value");
 	 if(!variableDefined("scope") || (variables["scope"] == "global")) 
 	   global.variables[variables["name"]] = variables["value"];	       
 	 else if(variables["scope"] == "local")