Update lixian.py
Merge pull request #426 from wayhomeke/patch-1

Update lixian.py to fake user-agent
1 USER_AGENT
fix `lx add info-hash`
disable bt hashing, since get_torrent_file_by_info_hash is not available any more.
Merge pull request #415 from deadblue/master

将验证码转换为ascii图像，输出到终端
convert spaces to tabs
Merge pull request #2 from iambus/master

Merge all update