iron/iron — pull request #18 by zzmp (2014-06-14 22:23:12+00:00)
Title: (feat) Furnace::new.

- Added `new` to the `Furnace` trait.
- Implemented default `new` in `IronFurnace`.
- Added `new` to the `Iron` struct, to allow creating an instance with a fresh `Furnace`.