Optimizations.

CommandList.h

@@ -19,7 +19,7 @@ namespace core {
 
     public:
 
-      CommandList(std::string delimiter = "");
+      CommandList(std::string delimiter = "", int depth = 0);
 
       ///
       /// Add a new command to the command list and assign a default search value.
@@ -70,6 +70,7 @@ namespace core {
 
       std::map<std::string, Command *> commands;
       std::string delimiter;
+      int depth;
 
    };