correcting broken url in GenEvent docs
correcting broken url in GenEvent docs

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