Merge pull request #19 from JSorngard/main

Lower the minimum required Rust version to 1.60 by exporting the `LambertW` trait in a less ambiguous way

src/lib.rs

@@ -17,8 +17,8 @@ mod gamma;
 mod lambert_w;
 mod primitive;
 
+pub use crate::lambert_w::LambertW;
 pub use beta::Beta;
 pub use error::Error;
 pub use gamma::Gamma;
-pub use lambert_w::LambertW;
 pub use primitive::Primitive;