2.1.0  26.09.2014
        - constants creation speeded up by 25%
        - constants importing (when 'use Class' or 'use Class ":const"') speeded up by 100%
        - added support for list syntax when creating constants
2.0.0  28.03.2014
        - switch to Panda::Install & Panda::XS
1.2    02.02.2014
        - change compiler g++ -> c++
1.1    09.02.2013
        - first release