Resolved kirang89/song-bot#1 . Implemented automatic album-directory cre...

Following is algo, I tried to implement. pls give sugggestions. 

1. Ask user 'Do you want create album? (y) '
2.  If answer NOT  in ('y', 'Y', 'yes', 'YES'),   download song/ songs in current directory.
3. If answer in ('y', 'Y', 'yes', 'YES') then, chck if directory already exits. 
4. If exists then download songs in it 
else create it and download songs in it.