Code Cleanup

- Removed unused util.cpp encode and decode functions.

test/t.t.cpp

@@ -150,6 +150,9 @@ TODO Task::getDependencies
 
 TODO Task::urgency
 
+TODO Task::encode
+TODO Task::decode
+
 */
 
   // Task::operator==

test/util.t.cpp

@@ -112,9 +112,6 @@ int main (int argc, char** argv)
   t.is (indentProject ("one.two"),       "  two",         "indentProject 'one.two' -> '  two'");
   t.is (indentProject ("one.two.three"), "    three", "indentProject 'one.two.three' -> '    three'");
 
-  // TODO const std::string encode (const std::string& value);
-  // TODO const std::string decode (const std::string& value);
-
   return 0;
 }