实现将验证码转换为ascii输出到终端，依赖Pillow库和jpeg库。启动时加上--verification-code-handler=ascii。
使用StringIO将图片数据转换为流，不用转存临时文件
Merge pull request #1 from iambus/master

合并原项目的更新
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
Merged latest changes from iambus