Fixed Copy::listContents return type on non existing dir.
Fixed more listContents return types and tests for them
Fixed return type of FilesystemInterface::readAndDelete to account for failed reading.
Fixed return type for FilesystemInterface[update,updateStream]
Corrected AbstractCache::getMimetype docblock with inheritdoc
New line ending fixes.
Corrected read interface has return type to account for unknown (cache)
AbstractCache docblock duplication removal.
FTP deletedir no longer assumes an ordered list of directories
Avoid that the FTP deleteDir throws exceptions
something went wrong when I rebased
added the exception handling again