Log Message:
Update p5-Net-GitHub to 0.30.

Changes from previous:
----------------------
0.30    2011.08.27
        - Default to GET method if we've no data to POST (Lubomir Rintel)
        - repository update (Lubomir Rintel)
        - Slow down with requests if we're approaching the rate limit (Lubomir \ 
Rintel)
        - Make it possible to turn API errors into exceptions (Lubomir Rintel)

0.29    2011.05.07
        always_Authorization for private respo

0.28    2011.03.06
        use official GitHub API request instead of screen-scraping for \ 
'comments' issues by spang (Christine Spang)

0.27    2011.02.17
        requires HTTP::Request::Common; (RT 65787 by JQUELIN)

0.26    2011.01.20
        fix Makefile.PL

0.25    2011.01.19
        partial implementation of Pull Request API (doy)

0.24    2011.01.01
        Organizations API (fayland)
        update Auth to 'Basic Auth' (fayland)

0.23    2010.11.04
        Moose has deprected 'excludes', '-excludes' is preferred (datamuc)