This enhances the existing time.Duration parser to allow multiple units, and implements a decode hook which can be used by koanf to decode string/integers into time.Durations as applicable.
This adjusts the session ID generator making it use it's own random function rather than using one from the utils lib. This allows us to utilize crypto/rand or math/rand interchangeably. Additionally refactor the utils.RandomString func.
James Elliott
Amir Zarrinkafsh
Clement Michaud