fix #43: acfun
fix #43: acfun more
change > to - in progress bar
fix bilibili
fix #47: cntv
get clean id of bilibili
Merge pull request #51 from skydark/master

修复B站id获取错误
fix #50: acfun title
fix iask video for acfun
fix qq for bilibili
fix #49: tudou title