Upstream changes: 0.10 2012-08-16 - Fix SYNOPSIS (RT #78790)
0.09 Mon Dec 06 2010 - explicit use of of Math::BigInt to avoid confusing Devel::Cover 0.08 Mon Dec 06 2010 - don't short-circuit encoding '0' so it gets proper padding.
Collection. The Perl 5 module Math::Base36 converts to and from Base36 numbers (0..9 - A..Z).