CLI

- Added default constructor, so it plays nice with others.
- Added ::clear method to reset all members.

src/CLI.h

@@ -34,10 +34,12 @@
 class A
 {
 public:
+  A ();
   A (const std::string&, const std::string&);
   ~A ();
   A (const A&);
   A& operator= (const A&);
+  void clear ();
   bool hasTag (const std::string&) const;
   void tag (const std::string&);
   void unTag (const std::string&);