OmniMarkupPreviewer v1.8 Changelog:


* OmniMarkupPreview is now able to use user defined browser command for launching
  web browser, through the `"browser_command"` option.
* Unopened file can be previewed correctly in browser without returning "404" error.
* Update cherrypy module in order to fix a random server crash on startup in
  Windows (Refer to [CherrPy #1016])

[CherrPy #1016]: https://bitbucket.org/cherrypy/cherrypy/issue/1016/windowserror-error-6-the-handle-is-invalid
