Wrote function to create a character node regardless of the contents of the node

postfixNode.go

@@ -47,3 +47,11 @@ func newPostfixNode(contents ...rune) postfixNode {
 	}
 	return to_return
 }
+
+// Creates a character node, regardless of the contents
+func newPostfixCharNode(contents ...rune) postfixNode {
+	toReturn := postfixNode{}
+	toReturn.nodetype = CHARACTER
+	toReturn.contents = append(toReturn.contents, contents...)
+	return toReturn
+}