[ANN] image_science 1.3.1 Released

image_science version 1.3.1 has been released!

* home: <https://github.com/seattlerb/image_science>
* bugs: <https://github.com/seattlerb/image_science/issues>
* rdoc: <http://docs.seattlerb.org/image_science>

ImageScience is a clean and happy Ruby library that generates
thumbnails -- and kicks the living crap out of RMagick. Oh, and it
doesn't leak memory like a sieve. :slight_smile:

For more information including build steps, see http://seattlerb.rubyforge.org/

Changes:

### 1.3.1 / 2019-12-14

* 1 bug fix:

  * Added noreturn attribute to raise_error since it always calls rb_raise.