Hooks that plugins can provide

All hooks must return either undefined/null or a list of return values. This might be an empty list or a list of just one value.

handlePath
  Registers new urls to serve
  Parameters: None
  Returns: Parameter suitable for Dispatcher
renderPageBodyPre
  Adds extra html before the body of a page
  Parameters: bodyFileName, data, plugin
  Returns: String(s) of html
renderPageBodyPost
  Adds extra html after the body of a page
  Parameters: bodyFileName, data, plugin
  Returns: String(s) of html
serverStartup
  Run right after server startup
  Parameters: None
  Returns: None
serverShutdown
  Run before server shutdown
  Parameters: None
  Returns: None