Log Message:
Update from version 0.14 to version 0.17.

Upstream changes:
0.15    7 Nov 2008
	* (finally) fix load_with to be a real ro_accessor and only
	used in _get_objects()

0.16    17 Nov 2008
	* pass query if present in *_related() query methods

0.17    25 Nov 2008
	* added related_load_with() feature and docs for it and
	load_with().