checks for perl < 5.20. For p5-Net, remove the IPV6 knob which only

	Commit message (Expand)	Author	Age	Files	Lines
*	-remove MD5	ohauer	2011-07-03	1	-1/+0
*	- Switch SourceForge ports to the new File Release System: categories startin...	amdmi3	2009-08-22	1	-2/+1
*	Return laszlof's ports to the pool due to lack of time.	linimon	2008-08-19	1	-1/+1
*	Update my email address in all ports that I maintain.	laszlof	2006-11-07	1	-1/+1
*	- Update to 1.4.2	pav	2006-01-01	2	-6/+7
adamw	2017-01-01	1	-8/+1
*	- Update to 0.40067	sunpoet	2016-11-20	2	-6/+6
*	Update to 0.40066.	adamw	2016-10-11