Version bump 0.4.6

Version bump 0.4.5

Merge pull request rubyritas#17 from avantcredit/fix-double-last-entry

Fix double last entry

strip non-ascii characters support for Ruby 1.8

Simplify release process and have VERSION in just one place (ach/vers…

…ion.rb)

Regenerate gemspec for version 0.4.1

Regenerate gemspec for version 0.4.0

Regenerate gemspec for version 0.3.2

Regenerate gemspec for version 0.3.1