1.2.0alpha3

• Update: Complete rewrite of property updating. Now easier to use and atomic.
• Fixed: Issue 16, automatically adding trailing / to baseUri.
• Added: text/plain is used for .txt files in GuessContentType plugin.
• Added: support for principal-property-search and principal-search-property-set
  reports.
• Added: Issue 31: Hiding exception information by default. Can be turned on
  with the Sabre_DAV_Server::$debugExceptions property.