Release 0.1.3

[nxsaken]

• Implement more iterator traits
• Make library generic over signed integers
• Update benchmarks

[bend-n]

This version does not compile.

error[E0445]: crate-private trait `Constant` in public interface
   --> /root/.cargo/registry/src/index.crates.io-6f17d22bba15001f/clipline-0.1.3/src/util.rs:190:1
    |
190 | / pub fn bresenham_step<T>(
191 | |     mut err: T,
192 | |     mut xyd: T,
193 | |     mut yxd: T,
...   |
199 | | where
200 | |     T: Ord + AddAssign + SubAssign + Constant<Output = T>,
    | |__________________________________________________________^ can't leak crate-private trait
...
212 |   pub(crate) trait Constant {
    |   ------------------------- `Constant` declared as crate-private

[nxsaken]

That's weird, but Pixels CI also broke today because of this. I thought it was allowed to use private trait bounds, and the new version even works in my other project. I wonder what changed. Yanked the latest release anyway