Log Message:
Update to 1.20

Upstream changes:
1.20  Fri Jan 31 09:46:00 2014
	- After a private email from Paul Howarth (yea!) I see I need File::Temp V 0.19 \ 
because that's
		the version which introduced the newdir() method, as used in the test suite. \ 
Sorry for the churn.

1.19  Thu Jan 30 09:24:00 2014
	- Set pre-req File::Temp version # to 0 (back from 0.2301). See D A Golden's \ 
blog entry:
		http://www.dagolden.com/index.php/2293/why-installing-distzilla-is-slow-and-what-you-can-do-about-it/.