Bump circe to 0.10.0 (closes #41)

Author: MukundAnanthu

project/Dependencies.scala

@@ -20,7 +20,7 @@ object Dependencies {
   object V {
     val catsCore = "1.1.0"
     val catsEffect = "0.10.1"
-    val circe = "0.9.3"
+    val circe = "0.10.0"
     val specs2 = "4.2.0"
   }