use beta version of Fressian with ConvertList extension point

Author: jpalharini

project.clj

@@ -4,6 +4,6 @@
   :license {:name "Eclipse Public License - v 1.0"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
   :dependencies [[org.clojure/clojure "1.9.0"]
-                 [org.fressian/fressian "0.6.8"]
+                 [org.fressian/fressian "0.7.0-beta1"]
                  [org.clojure/test.generative "1.1.0" :scope "test"]]
   :jvm-opts ["-Xmx2g" "-server"])