Bump version to v0.1.15 (#339)

README.md

@@ -9,7 +9,7 @@ A Tokio aware, HTTP/2.0 client & server implementation for Rust.
 
 More information about this crate can be found in the [crate documentation][dox].
 
-[dox]: https://docs.rs/h2
+[dox]: https://docs.rs/h2/0.1.15/h2/
 
 ## Features
 
@@ -38,7 +38,7 @@ To use `h2`, first add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-h2 = "0.1"
+h2 = "0.1.15"
 ```
 
 Next, add this to your crate: