M: Increased version number.
M: Added sanity check for $action argument of setHandler method.
M: Extended unit test.
M: Added note about GitHub to module documentation.
M: Added Changelog information for version 0.5
M: Added currentDepth() method.

The getDepth() method will return the default (or user-specified) directory traversel depth. Calling the setDepth method with a negative value will make the method die.
M: Renamed filesInDir() to count().
M: Added entryList() method.
M: Improved and extended unit tests.
Merge branch 'version-0.5' of github.com:nullmedium/File-DirWalk into version-0.5