Clean up reflection a bit, and how we do pretty printing of ast nodes. Registered new internal_to_string in reflection module so that we

can have automatic pretty printing of ast nodes during repl eval.

include/chaiscript/language/chaiscript_engine.hpp

@@ -538,17 +538,6 @@ namespace chaiscript
       return engine;
     }
 
-    /**
-     * Prints the contents of an AST node, including its children, recursively
-     */
-    void debug_print(AST_NodePtr t, std::string prepend = "") {
-      std::cout << prepend << "(" << ast_node_type_to_string(t->identifier) << ") "
-                << t->text << " : " << t->start.line << ", " << t->start.column << std::endl;
-      for (unsigned int j = 0; j < t->children.size(); ++j) {
-        debug_print(t->children[j], prepend + "  ");
-      }
-    }
-
     /**
      * Helper function for loading a file
      */