Processes the atomic browsing step, simply browsing the path coming from the event data
If further steps are required, it reschedules itself until completion
Creates webdav sessions by selecting a random user from the users collection and then
authenticating the user against WebDav using Basic Auth
FIXME: Should be using the RaiseEventsEventProcessor
Add here helper methods (on top of the Webdav Sardine client interface)
which might be useful to perform high level operations regardless of the
Webdav implementation details
TODO: Fixme with a better inheritance / decoupling from Sardine