Proper solution to problem fixed in https://github.com/gtorrent/gtorrent-core/pull/96
Merge pull request #101 from gtorrent/wip/properpolymorph

Proper solution to problem fixed in https://github.com/gtorrent/gtorrent-core/pull/96
gtorrent-core handles magnets and http links to torrent files.
renamed isMagnetLink to isLink