Fixed problem related to report_id=0, add_event_handler might confused the report_id as not existing. Now add_event_handler reports success or failure status.
Fixed problem related to report_id=0, add_event_handler might confused the report_id as not existing. Now add_event_handler reports success or failure status.

git-svn-id: 88a9e4b7df81b0f34d8a0384dfa9d3f0a0925c65@21 55bbceea-385e-11de-b438-597f59cd7555

rene-aguirre/pywinusb,c1728p9/pywinusb