Support custom backends (undocumented behaviour for now)
Support custom backends (undocumented behaviour for now)

kimshrier/elixir,gfvcastro/elixir,beedub/elixir,lexmag/elixir,pedrosnk/elixir,antipax/elixir,joshprice/elixir,ggcampinho/elixir,kelvinst/elixir,lexmag/elixir,ggcampinho/elixir,kelvinst/elixir,antipax/elixir,michalmuskala/elixir,kimshrier/elixir,gfvcastro/elixir,beedub/elixir,pedrosnk/elixir,elixir-lang/elixir