def paged(name, dir = nil, exact = false, version = @ref)
      page(name, version, dir, exact)
    end
def paged(name, dir = nil, exact = false, version = @ref)
      page(name, version, dir, exact)
    end
Public: Convenience method instead of calling page(name, nil, 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.