use ucx_map_clear in dav_propfind

updated UcxMap implementation

fixed incorrect response buffer reset in manual redirection handling in do_propfind_request

fixed zero-length format string in ls_size_str

fixed href comparison in parse_response_tag

reimplemented redirects for propfind requests

using Depth: 0 for non collection resources

don't allow signs for date strings (always expect full years)

added parser for iso8601 dates

definition: lastmodified and creationdate shall be zero on parse error

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mercurial