Log Message:
Sigil: update to 0.9.14.

Sigil-0.9.14
   Bug Fixes
     - flush all changes to disk before creating a Report so that files sizes \ 
are correct
     - stop writing python bytecode to Program Files on Windows
     - remember cover semantics if cover image replaced by Add Existing...
     - fix issues with the Plugin Framework documentation epub
     - more memory leaks plugged
     - minor code cleanups
   New Features
     - updated to Qt 5.12.3 with Annulen Webkit 5.212 with extra QtCursor memory \ 
leak fixes
     - updated to Python 3.7.2
     - updated build docs for macOS, Linux and Windows
     - build system now uses GNUInstallDirs to determine the best installation \ 
libdir on Linux
     - updated desktop integration for Linux
     - reduce PCRE cache size to help lower memory footprint
     - improve mapping of hunspell dictionary names to actual language names \ 
(thanks BeckyDTP)
     - add warning during import if unmanifested files exist in the epub zip archive
     - no longer requires use of non-breaking space entities (or any entities at \ 
all!)
     - special spaces are now visisble via syntax highlighting in CodeView
     - dropping epubs on Sigil.app no longer opens an extra empty epub on macOS
     - reload Preview only when needed to help prevent screen flicker and lower \ 
memory use
     - enabled Windows automated builds using Apppveyor
     - Windows releases now compiled with Visual Studio 2017
     - characters in HTML files report now uses gumbo for speed
     - allow user's custom plugin icons to survive a plugin update