Improve docs for EEx.AssignsEngine, closes #1499
Improve docs for EEx.AssignsEngine, closes #1499

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