InotifyError should have more information about what happened

[ehud-swiftstack]

For example, add_watch raises InotifyError if the given file does not exist. It would be useful to get some more information as to what happened (file path, type of error - does not exists, cannot read, etc).

example (in this case the file does not exist):
DEBUG:inotify.adapters:Adding watch: [/tmp/leases.db] Error: unable to open file: ('Call failed (should not be -1): (-1) ERRNO=(0)',)