Revision history for Perl Node Interface.

0.12  2011-06
    - more Perlop nodes
    - Cwd::Getcwd, Scalar::Util::Looks_like_number, List::Util::Max nodes
    - PNI::Find
    - every node has a test
    - code generation with Template Toolkit
    - PNI::RUN renamed in PNI::step
    - PNI synopsis test

0.11  2011-03-19
    - added PNI::Error
    - perlcritic ok
    - PNI::Node::Tk 0.11
    - abstract gui and scenario model
    - scenario items: node and link

0.1   2011-02-01
    - interface restiling and cleanup
    - test driven development philosophy, every node has a test
    - base class PNI::Item

0.05  2010-06-26
    - fixed failing tests
    - more nodes and tests
    - added blog at http://perl-node-interface.blogspot.com/

0.03  2010-05-31
    - some bug fixing
    - backported from perl 5.10 to 5.8.8

0.02  2010-05-12
    - fixed problem about loading nodes
    - added Perlop::Eq node

0.01  2010-05-07
    - first minimal release: just works as cpan module :)