Revision history for Perl extension Keyword::API.
0.0004 Wed Apr 20 16:43:31 BST 2011
    - removed confusing use of word 'token'
    - stop calling install_keyword as a class method
    - updated docs to reflect changes.
    - tweaked the XS to build on 5.12.2
0.0003  Sun 17 Apr 2011 14:23:07 BST
    - released to cpan.