Code Cleanup

- Removed unnecessary includes.
- Added comment for Date integration.

src/Lexer.cpp

@@ -118,6 +118,8 @@ bool Lexer::token (std::string& token, Type& type)
           return true;
         }
 
+        // TODO Try an rc.dateformat parse here.
+
         type = typeNumber;
         token += utf8_character (_n0);
         shift ();

test/duration.t.cpp

@@ -25,10 +25,6 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #include <cmake.h>
-#include <iostream>
-#include <Context.h>
-#include <Duration.h>
-#include <stdlib.h>
 #include <test.h>
 #include <Duration.h>
 #include <Context.h>