Revision history for Perl extension Rubyish::Attribute.

0.04  Nov 16 2008
    - refine doc
    - fix warn message
    - add example

0.03  Nov 14 2008
    - return undef and print err msg while invoking forbidden accessor

0.02  Nov 13 2008
    - correct the writing format of POD

0.01  Nov 12 2008
    - original version; created by h2xs 1.23 with options
        -X -n Rubyish::Attribute