Version 2.3

The changelog:

- Added Bookmarks handling functionality:
  - ability to create bookmarks automatically;
  - ability to start CHM document from last saved bookmark;
- Added user's settings saving (font size, other options)
- Recent Files menu item added (with various settings);
- Added last read CHM document autoloading on the program start;
- Added support for dictionaries, translators, and other programs getting input from the clipboard;
- Added highlighting of the contexts found by the Search function;
- Added autoscrolling to the first context on a page, found by the Search function;
- Joysctick navigation algorithm improved;
- Added turning CSS (cascade style sheets) ON/OFF option;
- Fixed bug in the processing TOC links which include non-ASCII characters;
- Fixed bug in displaying images referred by direct links as <a href="image.jpg">.