changes in v1.7.7 (since v1.7.3)
- swipe up/down for page advance
- mouse and mouse-wheel support for Android
- max characters per page: 1600 to 1800
- new checkbox: skip empty pages
- log from start via vol-up during app launch
- fixed: stars on end of page caused by bold
- fixed: auto-tune issue with list of hyperlinks
- fixed: 'Bookmark current' on page with hyperlinks
- fixed: 'Show Bookmarks' unresponsive screen on
