Log Message:
Update from version 0.44 to version 0.45
Changes:
0.45  	Mon Sep  8 09:13:14 MDT 2008
	-Patch from Milosz Tanski <mtanski@gridapp.com> to make module
	thread-safe on linux (rt.cpan.org ID 38709). Patch from Scott
	Davis <darkpreludesi@hotmail.com> for new constructor flag
	enable_ttys, which when set to 0 disables traversing the
	device tree.