A Plug for parsing include, filter, page and q.

To use it, add it to your controller.

plug PhoenixHelpers.Plug.QueryParser,
  include: ~w(posts comments)
  filter: ~w(name)

The plug will add a PhoenixHelpers.Query struct called phoenix_helper_query to your conn.assigns

Options

• include - list or map by action of a available includes. Default is [].
• filter - list a available filter. Default is [].
• default_page_number