Messenger example - register, confirm, and unregister user facts

• Load user facts from client and update DB contact
• Register and confirm email fact
• Unregister email fact
• Register and confirm phone fact
• Unregister phone fact

Package.resolved

@@ -14,8 +14,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swift-custom-dump.git",
       "state" : {
-        "revision" : "21ec1d717c07cea5a026979cb0471dd95c7087e7",
-        "version" : "0.5.0"
+        "revision" : "c9b6b940d95c0a925c63f6858943415714d8a981",
+        "version" : "0.5.2"
       }
     },
     {
@@ -23,8 +23,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/xctest-dynamic-overlay.git",
       "state" : {
-        "revision" : "38bc9242e4388b80bd23ddfdf3071428859e3260",
-        "version" : "0.4.0"
+        "revision" : "30314f1ece684dd60679d598a9b89107557b67d9",
+        "version" : "0.4.1"
       }
     }
   ],