remove broken link and bump to 0.9.1

Author: nikomatsakis

Cargo.toml

@@ -4,7 +4,7 @@ description = "Union-find, congruence closure, and other unification code. Based
 license = "MIT/Apache-2.0"
 homepage = "https://github.com/nikomatsakis/ena"
 repository = "https://github.com/nikomatsakis/ena"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Niko Matsakis <[email protected]>"]
 readme = "README.md"
 keywords = ["unification", "union-find"]

src/unify/mod.rs

@@ -28,7 +28,7 @@
 //! type also unlocks various more ergonomic methods (e.g., `union()`
 //! in place of `unify_var_var()`).
 //!
-//! The best way to see how it is used is to read [the `tests.rs` file](tests.rs);
+//! The best way to see how it is used is to read the `tests.rs` file;
 //! search for e.g. `UnitKey`.
 
 use std::marker;