New delete() replaces deleteDir() and createDir() is gone
New delete() replaces deleteDir() and createDir() is gone

The new delete() method combines deleting directories and files.
Subdirectories will be deleted recursively. With set $clean_only
property to true, a directory tree will be cleanend from all files and
stas intact.

Removed deleteDir() was obsolete and have been removed.

Method createDir() has been removed too, because it's not neccessary to
wrap php core functions when the wrapping method does nothing else than
php does.

Signed-off-by: Michael Tekkla Zorn <50f195679bf77bf0955b9c2832e55e1d0c47d29c@tekkla.de>
tekkla/TekFW,tekkla/TekFW