By rblanker: Changed @return value to correct returned class type.
By rblanker: Extended the storage size of the mediafile file extension field.
By rblanker: Fixed problem with mimetype detection when file did not exists.
By rblanker: Fixed file extension extraction when more than one dot is present in filename.
By rblanker: md5file no longer generates a error when file does not exists.
Version 3.5.x-RC2 build 2059.
By rblanker: Updated SDK and CK submodules, use git submodule update.