Add docs to assert_raises/3
Add docs to assert_raises/3

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