DAV_COL_CREATE creates a new collection on path, with supplied security permissions,
  returning a collection id (COL_ID) upon success.DAV_RES_UPLOAD creates or replaces an existing resource on path with content, mime type and supplied security permissions. Returns a resource id (RES_ID) on success.DAV_DELETE Removes an existing collection/resource.
    If silent is set to a nonzero value,  no errors codes will be returned.
  returns 1 on success.