merged move & copy code into one function __webdav_move_copy
merged move & copy code into one function __webdav_move_copy

fz6/pyocclient,blizzz/pyocclient,owncloud/pyocclient,SergioBertolinSG/pyocclient,fz6/pyocclient,owncloud/pyocclient,SergioBertolinSG/pyocclient,blizzz/pyocclient