Allow subclasses to block skip directory processing Add start and end callback methods Improve documentation
Allow subclasses to block skip directory processing
Add start and end callback methods
Improve documentation

git-svn-id: 93ad1b128ef73f61fb131daf820f82551b37ed4a@424748 13f79535-47bb-0310-9956-ffa450edef68

apache/commons-io,pimtegelaar/commons-io-test3,pimtegelaar/commons-io-test3,apache/commons-io,pimtegelaar/commons-io-test3,apache/commons-io