Update key dependencies argon2_elixir, exto, etc. for#157 cc:@jtsmills

Upgrade version of AES#116

Use Envar.get/2 for environment variables#108

Update dependencies.#89

Add support for OTP 24 + Elixir v1.2#83

maintenance update dependenencies#74

Add IP Address Functiosn#73

Remove need for extra config steps (use environment variables directly)#69

Update Ecto from 3.3.1 to 3.3.4 to match Phoenix 1.4.15#65

update version of Ecto to latest and add new Ecto.Type callback funct……ions#63