Accept string for maxAge (converted by ms)
Use EventEmitter.listenerCount to count listeners
Add headers event
Remove examples dir
Release 0.5.0
Accept file system paths instead of URL-encoded paths

closes #30
Remove etag method in favor of setting through options
Remove hidden method in favor of setting through options
Remove from option for root option
Remove root method in favor of setting through options
Remove maxage method in favor of setting through options
Remove index method in favor of setting through options
Remove utils to simplify file layout
Display options for debugging
Replace mime with mime-types