add test for webdav_op_propfind_children webdav

add simple vfs implementation for testing webdav

add webdav_op_propfind_begin test that checks backend chaining webdav

add backend chaining webdav

add webdav_plist_iterator_remove_current tests and fix some plist related bugs webdav

add plist iterator webdav

add tests for webdav_propfind_init and fix wrong backend call webdav

move backend initialization to new function webdav

refactore webdav backend struct webdav

add propfind/proppatch parser and first iteration of the new webdav api webdav

(0) -100 -10 +10 +100 tip

mercurial