Squashed 'LastFM/' content from commit 37e8da3

git-subtree-dir: LastFM
git-subtree-split: 37e8da3b3a1dddd14cbcc55b4b1b86063387e16e
Merge commit 'f48a0555cc008b6074aac571a19285cdbb73ed16' as 'LastFM'
Import LastFM module as subtree and mention in README (Closes #16)
Merge branch 'master' of https://github.com/glolol/supyplugins