Updated the tokenizer to include a method to replace variable tokens with the values provided in a list.

tokenizer.py

@@ -69,10 +69,16 @@ def get_tokens_from_expression_string(expression_string):
 			tokens.append(token.CToken(c + str(symbols_dic[c]), token.TokenType.variable))
 			parsing_number = False
 			tmp = ""
-	#When building this list we've effectively ordered the tokens in reverse order from how we want to
-	#process them. So, reverse the order of the list before returning them to the caller, we don't want
-	#the caller to have to worry about such a minor detail.
-	tokens.reverse()
 	
 	return tokens
 
+
+def replace_variables(tokens, new_constants):
+	newTokenList = []
+	for t in tokens:
+		if t.type == token.TokenType.variable:
+			newTokenList.append(token.CToken(new_constants.pop(0), token.TokenType.constant))
+		else:
+			newTokenList.append(t)
+			
+	return newTokenList