def page(name, version = @ref, dir = nil, exact = false)
      version = @ref if version.nil?
      @page_class.new(self).find(name, version, dir, exact)
    end
def page(name, version = @ref, dir = nil, exact = false)
      version = @ref if version.nil?
      @page_class.new(self).find(name, version, dir, exact)
    end
Public: Get the formatted page for a given page name, version, and dir.

 name    - The human or canonical String page name of the wiki page.
 version - The String version ID to find (default: @ref).
 dir     - The directory String relative to the repo.

 Returns a Gollum::Page or nil if no matching page was found.