message: DOC Add crates.io badge to the readme
diff: @@ -3,6 +3,8 @@ sprs, sparse matrices for Rust
  .. image:: https://travis-ci.org/vbarrielle/sprs.svg?branch=master
  :target: https://travis-ci.org/vbarrielle/sprs
  +.. image:: https://img.shields.io/crates/v/sprs.svg
  + :target: https://crates.io/crates/sprs
  sprs implements some sparse matrix data structures and linear algebra
  algorithms in pure Rust.
  