Some changes to PROPFIND handling for iCal 3 support (not yet).
Some changes to PROPFIND handling for iCal 3 support (not yet).

lkraav/davical-rss-feature-branch,lkraav/davical-rss-feature-branch,lkraav/davical-rss-feature-branch,lkraav/davical-rss-feature-branch