bump all deps
bump all dev deps
directory listings option, per node-ecstatic
implement showDir option; autoIndex and showDir should test against 'false' not false
update README with respect to showDir option
bump version in package.json to 0.5.4-pre
Merge pull request #38 from michaelsbradleyjr/bump-deps-and-showDir

Bump dependencies and implement "showDir" option