Adds Leo Dirac to AUTHORS

AUTHORS

@@ -78,3 +78,4 @@ Ordered by date of first contribution:
   Matthew J Morrison <mattj.morrison@gmail.com>
   Daniel Watkins <daniel@daniel-watkins.co.uk>
   Remy Noel <mocramis@gmail.com>
+  Leo Dirac <leo@banyanbranch.com>