Google+: fix #183, fix #189, fix #193
Sina: fix #186
add support for Baidu Wangpan, fix #177
version 0.3.13
AcFun: fix #196
add support for Alive.in.th, fix #190
iQIYI: fix #197
remove support of JPopsuki
version 0.3.14
add support for Instagram, fix #200
version 0.3.15
use HTTPS proxy
Instagram: update site_info
YouTube: decrypt ciphered signature, temporarily fix #203
Sohu: fix #204
YouTube: fix #203, using decryption algorithm from youtube-dl
fix unicode literal for Python 3.2
version 0.3.16
bilibili: fix #185
163: fix #205