Fixing incorrect default value
Removing null default - it is never called without and would cause an error in the Broken case
Only extract section of match that is used
Fixed the check of the IO verbosity

Symfony Console 2.3+ supports setting higher verbosity levels than VERBOSE
so the isVerbose implementation needs to use an inequality rather than an
equality for the condition.
Merge pull request #467 from ciaranmcnulty/bugfix-assorted-issues

Bugfix assorted issues
Merge pull request #469 from stof/fix_verbosity

Fixed the check of the IO verbosity