Merge pull request #11 from jeanfw/master

Improved link support; added categories as well;
version bump
use unique test names, to be able to run them wich mocha -g
* refactor subscription parsing * support list feeds
Merge pull request #12 from negesti/master

Added list feeds
version bump
Fix incorrect child name in subscription call
Merge pull request #15 from gdcbyers/master

Fixed issue where subscribing to a feed always returned an error
fixing all tests
version bump