* Fix excerpts cannot be deleted in Chrome browsers
* Show book details in reader sidebar
* Set minimum search term length to 1 for CJK languages
* Use more system fonts as custom fonts, closes#31
* Add H and L keyboard shortcuts for back and forward navigation, consistent with Vimium
* Fallback bookmark text to page number if current page has no text, closes#51
* Add delete and edit buttons for highlights and booknotes in the sidebar, closes#57
* Each book now has its own sidebar default tab
Huang Xin