use pycurl for expect_webdav_exist() and other utility functions
use pycurl for expect_webdav_exist() and other utility functions

cernbox/smashbox,cernbox/smashbox,labkode/smashbox,labkode/smashbox,labkode/smashbox,cernbox/smashbox,labkode/smashbox,cernbox/smashbox