docopt/docopt.rs — pull request #44 by CraZySacX (2014-11-14 15:02:41+00:00)
Title: Added 'use std::num::NumCast' to support removal from rust prelude in co...

...mmit e965ba85ca689ad77f63b7f0af9d7e337dcb4825 on rust master.

rust master removed many numeric traits from the prelude. This changes fixes docopt.rs to work with that commit.