fix: argument without -workdir
update framework, add filter module
Merge pull request #341 from htlxyz/master

invoke enter background and foreground event in lua
update player
Merge pull request #342 from yinjimmy/master

bugfix
update README
cleanup
fix table.walk()
add api docs
update apidoc
fix typo
add generate_local_html.sh
adjust console font on windows
update player for windows
Merge pull request #343 from yinjimmy/master

console font on windows
update apidoc
resolve in windows7 system,open file for directory,player no response
Merge pull request #344 from wanghehacker/master

resolve in windows7 system,open file for directory,player no response