1.15.0

Fix: Spanish My Clippings.txt has "La" for the annotations.
Fix: Change method of getting books on device to use a search similar to what is used for Kobo and Tolino devices.
Fix: Sorting of annotations for kepubs on Kobo devices.
Fix: Opening My Clippings.txt should have been binary. Missed this when reverted earlier change.
Fix: Display more details of an exception when parsing My Clippings.txt.
Fix: Goodreader import not working.
Fix: Broke Python 2 support with the open when reading My Clippings.txt.
Fix: If already have book id in library, use confidence of 5.
Fix: Encode and decode the title from My Clippings.txt to remove the Unicode BOM character.
Fix: A couple of changes to solve some obvious problems with the Kindle fetch. Plus more logging.
Fix: Python 3 compatibility: Help dialogs.
Fix: Sorting columns in fetched annotations dialog.