Usage: queryrename client_login_name={username} client_new_login_name={new username}

Permissions:
  b_client_query_rename
  b_client_query_rename_own

Description:
  Renames a query account.
  The new name must be free and not yet used!

Example:
  queryrename client_login_name=server_bot client_new_login_name=server_bot_a
  error id=0 msg=ok
