Change log for Net::NIS::Netgroup

20100812	[ 1.1 ]
	- New function "listnetgr" to iterate over a net group.
	  Thanks to Alf Wachsmann for patch.
	- Doc updates

20100308	[ 1.0.1 ]
	- Don't try to build on Windows platform
	- Don't fail tests if run as non-root (but skip setting)
	- Don't fail tests that check netgroups only known to author
	- Use gzip instead of bzip2 for compressing distribution
