add self._move.close()to MovieStim3._uload, #1917
add self._mov.close() to MovieStim3._uload, move self._unload() in MovieStim3.stop after logging code.
Calling self._mov.close() seems to prevent invalid handle error in call to
…vieStim3.stop after logging code. Calling self._move.close() seems to prevent invalid handle error in call to ffmpeg_reader in moviepy module. See https://stackoverflow.com/questions/43966523/getting-oserror-winerror-6-the-handle-is-invalid-in-videofileclip-function
Thanks. For future commit messages (the pull request text doen'st matter) could you try and make sure you follow the information here regarding BF, FF...
PS I don't think the reordering aspects are probably important but well done for tracking down the