Upgrade dirent-win32 to dirent API for Microsoft Visual Studio. Fix for second empty range node.

git-svn-id: http://svn.zoo-project.org/svn/trunk@476 4b6b6ad6-68b3-4dcc-9231-bd9b83bc5dc3
Remove debug messages.

git-svn-id: http://svn.zoo-project.org/svn/trunk@477 4b6b6ad6-68b3-4dcc-9231-bd9b83bc5dc3