Changelog for App-Gnuget

1.8     2013-08-28:
    - fix others stuffs like module name in sources

1.7     2013-08-28:
    - fix unit test

1.6     2013-08-28:
    - fix a typo in Makefile
    - add a META.yml

1.5     2013-08-28:
    - fix code architecture

1.0     2013-08-28:
    - initial release