Update README.md
Merge pull request #2 from adammw/patch-1

Fix broken link in README.md
bumping peer-wire-swarm
renamed to torrent-stream
restructure and added magnet support
simpler storage and inlined memcache
magnet docs
changed id
docs for remove
connect / disconnect docs
added metadata encoder
full magnet link support
added missing deps
support both magnet and torrent buffers
0.3.0
fixed regression
0.3.1