[163] add super class Song
[163] add dummy netease.py
[163] netease.py conti
[163] add song/album parsing
[163] start adjusting commander.py 2btested
[163] add 163 song/album parsing/downloading in commander
[163] add playlist parsing/downloading
[163] merge master into 163
[163] add topSong parsing/downloading
[163] input file parsing/downloading
[163] input file parsing fixing
Merge branch 'master' into 163
[163] fix: slash in filename(song name)
[163] update help text, version, chglog
[163] update readme
[163]update readme
[163]readme/help
[163]update readme