Use to_string instead of Atom.to_string to support binary data.
Use to_string instead of Atom.to_string to support binary data.

This makes the library Distillery friendly.

appsignal/appsignal-elixir,appsignal/appsignal-elixir,appsignal/appsignal-elixir,appsignal/appsignal-elixir