Add dump command

Change-Id: If38d01ebb8788090f91a76daf6b7fc9add0320b7
diff --git a/src/interpreter.hpp b/src/interpreter.hpp
index e008375..4b4056e 100644
--- a/src/interpreter.hpp
+++ b/src/interpreter.hpp
@@ -28,6 +28,7 @@
     void operator()(const help_&) const;
     void operator()(const copy_& copy) const;
     void operator()(const move_& move) const;
+    void operator()(const dump_& dump) const;
 
 private:
     std::string buildTypeInfo(const std::string& path) const;