Bump version 1.8.1

src/jsone.app.src

@@ -1,6 +1,6 @@
 {application, jsone,
  [{description, "Erlang JSON Library"},
-  {vsn, "1.8.0"},
+  {vsn, "1.8.1"},
   {registered, []},
   {applications, [kernel, stdlib]},
   {licenses, ["MIT"]},