Bump version to 1.6.0

Author: wouterwln

Project.toml

@@ -1,7 +1,7 @@
 name = "ExponentialFamily"
 uuid = "62312e5e-252a-4322-ace9-a5f4bf9b357b"
 authors = ["Ismail Senoz <[email protected]>", "Dmitry Bagaev <[email protected]>"]
-version = "1.5.3"
+version = "1.6.0"
 
 [deps]
 BayesBase = "b4ee3484-f114-42fe-b91c-797d54a0c67e"