Log Message:
Update qore-xml-module to version 0.5.

Patches have been applied upstream.

release notes:
This release of the yaml module includes bug fixes and major new features
such as:

* Support for the DataStream Protocol allowing point-to-point data streaming
  over HTTP using YAML-serialized chunks of data;
  the following user modules support this:
   - DataStreamClient
   - DataStreamRequestHandler
   - DataStreamUtil
* new function naming convention