CLI

- Implemented ::getBinary.
- Removed Context::program, and converted DOM and dom.t to call ::getBinary.

src/DOM.cpp

@@ -104,7 +104,7 @@ bool DOM::get (const std::string& name, Variant& value)
   {
     if (name == "context.program")
     {
-      value = Variant (context.program);
+      value = Variant (context.cli.getBinary ());
       return true;
     }
     else if (name == "context.args")