New maintainer wanted

[samcrow]

As you can tell, I haven't directly done anything for this project in years. It has potential, but I've moved on to other projects. I don't want to keep holding the crate names on crates.io for something incomplete.

This applies to xplm and xplm-sys, which should have been in the same repository.

I'll transfer ownership to the first person who asks and has a GitHub account with non-zero development history in Rust.