Merge pull request #434 from yaa110/patch-1

Add rake crate

README.md

@@ -967,7 +967,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * [pwoolcoc/ngrams](https://github.com/pwoolcoc/ngrams) — Construct [n-grams](https://en.wikipedia.org/wiki/N-gram) from arbitrary iterators [<img src="https://api.travis-ci.org/pwoolcoc/ngrams.svg?branch=master">](https://travis-ci.org/pwoolcoc/ngrams)
 * [rust-lang/regex](https://github.com/rust-lang/regex) — Regular expressions (RE2 style) [<img src="https://api.travis-ci.org/rust-lang/regex.svg?branch=master">](https://travis-ci.org/rust-lang/regex)
 * [greyblake/whatlang-rs](https://github.com/greyblake/whatlang-rs) — Natural language detection library based on trigrams [<img src="https://api.travis-ci.org/greyblake/whatlang-rs.svg?branch=master">](https://travis-ci.org/greyblake/whatlang-rs)
-
+* [yaa110/rake-rs](https://github.com/yaa110/rake-rs) — Multilingual implementation of RAKE algorithm for Rust [<img src="https://api.travis-ci.org/yaa110/rake-rs.svg?branch=master">](https://travis-ci.org/yaa110/rake-rs)
 
 ### Text search