Changes (from NEWS):
0.0.9
=====
New features
* Add command bar response when command is failed or command is not valid
* Add double click action on pdf pages for select a word, a line or a page
of text
* Mouse Copy Support: add left drag to select area, and right click to
popup menu to copy to clipboard
* Key Copy Support: add select area by pressing 'v' or <C-v> and copy
area by press 'y'
* add 'wrapscan' options in $HOME/.apvlvrc
0.0.8
=====
New features
* add DJVU format document viewing support
* add poppler-data support in Windows version
* add :w[rite] filename to save document
* add zw to fitwidth and zh to fitheight
* made the scrollbar as a option in $HOME/.apvlvrc
Bug fixes
* If a pdf file is not entrypted, not ask password when can't open it
* heightlight correcly after zoom in or zoom out
* :z[oom] fitwidth or :z[oom] fitheight works
Changes (0.0.7.*):
* apvlv don't support negative integer now because the '-' cause many bugs
in <C-w>- to smaller a window, apvlv don't support negative interger
from 0.0.7.4.
* add shell command line options, -h, -v and -c
* add options to disable ~/.apvlvinfo
* add a option "set autoscrolldoc=yes/no" to toggle auto scroll a doc from
end to 1st
* add a option "set pdfcache=[number]" to set the cache size of pdf object
* set pdfcache >= 2 limit for apvlv works correctly
* set no autoscroll and not continuous when pdf is a single page
* add global /etc/apvlvrc
* don't create ~/.apvlvrc automaticlly
* made fullscreen really works under some WM
* fix file is not exist segment fault
* fix the command histroy segment fault
* add document of / and ? key which appear from 0.0.3
