Play Json read/write for spire.math.Interval

[jawad ezzahraoui]

Hi,

I created Interval json read/write for playframework, I used it to persist my intervals in MongoDB.

 

url: https://gist.github.com/ezzahraoui/470450ac0a7e4993c1f796b3f07036a6

I hope it will help others.