Log Message:
Update to 0.4.1

Changelog:
0.4.1  Mon Nov 28 2011  Toni Gundogdu
Changes:
  - Accept multiple occurences of --exec
  - Add verbosity level 'mute'
  - Add new options:
        --export-format
        --export-level
        --verbosity
        --category
        --feature
  - Deprecate options:
        --verbose-libcurl
        --category-*
        --quiet
        --no-*
        --xml
Fixes:
  - Properly escape strings passed to shell (#79)
    Many thanks to Tomas Janousek <tomi@nomi.cz> for the patch!