Blaine Johnson

@laserlemon, what is the status of this pr? ose/figaro integration would be very useful for me.

@dblock , what do you think about enhancing the `values[:value]` to allow proc with arity 1 to support this use case? ``` params do requires :e, values: { value: ->...

sure, I'll give it a go.

@batdevis any update on getting this merged?