Efun-Gruppe Debug

• call_out_info
• caller_stack
• caller_stack_depth
• clones
• command_stack
• command_stack_depth
• debug_info
• debug_message
• extern_call
• function_exists
• functionlist
• get_error_file
• get_eval_cost
• heart_beat_info
• include_list
• inherit_list
• input_to_info
• last_instructions
• object_info
• object_time
• query_actions
• query_command
• restore_value
• rusage
• save_value