fix: env.conf.markdown.hardwrap is now respected.
filled out markdown tests for getParser to test asking for specific parsers
added --version switch.
Merge pull request #310 from mathematicalcoffee/feature-version-switch

added --version switch, fixes #303
support -v option; provide more detailed version info (#303)
Merge pull request #293 from mathematicalcoffee/bugfix-gfm-hardwrap

Bugfix: github-flavoured-markdown was ignoring the hardwrap configuration.
Merge branch 'master' into bugfix-gfm-constructor