#81 gems bump

Gemfile.lock

 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     base58 (0.2.3)
     bindata (2.4.10)
@@ -93,7 +93,7 @@ GEM
     public_suffix (4.0.6)
     racc (1.5.2)
     rainbow (3.0.0)
-    rake (13.0.3)
+    rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -124,4 +124,4 @@ DEPENDENCIES
   rake
 
 BUNDLED WITH
-   2.1.4
+   2.2.23