0paIescent

Results 3 issues of 0paIescent

Part of the PR for an issue over at rust-lang/rust [here](https://github.com/rust-lang/rust/issues/65280). Once this gets merged here, I'll submit the PR over there, just want to make sure everything integrates properly...

In exercise 25 of your BYTEPATH tutorial, you can accomplish it with `hump.timer`, but not with `chrono.timer`. These changes allow for it just by passing itself through when it is...