Enhancement

- Began detailed implementation of commands and columns objects.

src/commands/Command.cpp

@@ -27,6 +27,7 @@
 
 #include <iostream>
 #include <Command.h>
+#include <Install.h>
 #include <Context.h>
 
 extern Context context;
@@ -34,11 +35,9 @@ extern Context context;
 ////////////////////////////////////////////////////////////////////////////////
 Command* Command::factory (const std::string& name)
 {
-/*
   if (name == "install")  return new Install ();
 
   throw std::string ("Unrecognized command '") + name + "'";
-*/
   return NULL;
 }