Env
A simple package for working with environment variables
Example
var test1 string
var test2 string
if err = env.Env(env.E{
"TEST_1": env.Optional(&test1),
"TEST_2": env.Required(&test2),
});The TEST_2 env variable must be set or err will be populated.
The test1 and test2 variables will be populated after Env is ran.

