Basically works.

  impl login()
  impl showtask()
  parse task list w/ regexp
  inject cookiejar::Save(),Load()
  impl load/save cookies
  accpet gzip & deflate encoding
  impl delaytask()
  impl GetTorrentByHash()
  impl PauseTasks()
  impl renametask()
  impl deletetasks()
  fix main::login_
  impl showdeletedTask()
  impl showExpiredTask()
  impl fetch
  impl simle readline in main
  impl download()
  impl xltask home dir
  coloring back: match xunlei-lixian.py style
  ed2k hash
  daemon -> agent
  add bt package, using bencode-go
  add verify.go
  different home dir on unix / win
  impl fillbtlist
  impl bt download
  refine taskinfo and enable download partial bt
  impl addtorrenttask()
  impl addmagnettask()
  repack: xltaskc, xltaskd
  update README & TODO & LICENSE