Started the specs for the fs traversal
Restores findit for the moment
Specs on events for the filesystem traversing
Recurses traversing
Passes the path to the  event
Removes the dependency to findit
Refacto and add chai+sinon to run standalone tests of traverse
Adds a spec on 'path' event
Uses async instead of q. MUCH faster!
Temporarily deactivates depth tests
Limits the public API
Removes unused `path` module
Implements filter plugins
Adds basedir for depth comparison
passes filters to child treeverse instances
fixes the break on non-empty dirs
Uses the Treeverse prototype instead of the helper
Implements the depth filter
Restores the depth tests
Removes platform-dependent test about file/directory size