0.4.8: we're still there!

Version 0.4.8 is finally out, after a long delay. The main new features are:

• optional auto-save of documents and recovery from auto-saves
• new Export to PDF code (fixes various issues)
• various bug-fixes and configuration options for touchscreen devices
• various Windows bug-fixes and a new windows binary release
• a horizontal view mode (pages are shown next to each other horizontally)

-- Denis