Merge pull request #464 from david3663/patch-1

Update CONTRIBUTORS.md

CONTRIBUTORS.md

@@ -21,3 +21,4 @@
  - [CBers] (https://github.com/CBers)
  - [Sagaia] (https://github.com/Sagaia)
  - [JHawk111](https://github.com/JHawk111)
+ - [David3663](https://github.com/david3663)