diff --git a/Gemfile.lock b/Gemfile.lock
index 6ed555b..24e801c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,52 +1,53 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.0.2)
-      actionpack (= 5.0.2)
+    actioncable (5.0.7.2)
+      actionpack (= 5.0.7.2)
       nio4r (>= 1.2, < 3.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.0.2)
-      actionpack (= 5.0.2)
-      actionview (= 5.0.2)
-      activejob (= 5.0.2)
+    actionmailer (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.2)
-      actionview (= 5.0.2)
-      activesupport (= 5.0.2)
+    actionpack (5.0.7.2)
+      actionview (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
       rack (~> 2.0)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.0.2)
-      activesupport (= 5.0.2)
+    actionview (5.0.7.2)
+      activesupport (= 5.0.7.2)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.0.2)
-      activesupport (= 5.0.2)
+    activejob (5.0.7.2)
+      activesupport (= 5.0.7.2)
       globalid (>= 0.3.6)
-    activemodel (5.0.2)
-      activesupport (= 5.0.2)
-    activerecord (5.0.2)
-      activemodel (= 5.0.2)
-      activesupport (= 5.0.2)
+    activemodel (5.0.7.2)
+      activesupport (= 5.0.7.2)
+    activerecord (5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
       arel (~> 7.0)
-    activesupport (5.0.2)
+    activesupport (5.0.7.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
     ast (2.3.0)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (9.0.6)
     codecov (0.1.10)
       json
       simplecov
       url
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
+    crass (1.0.6)
     diff-lcs (1.3)
     docile (1.1.5)
     erubis (2.7.0)
@@ -60,59 +61,59 @@ GEM
     ffi (1.9.18)
     figaro (1.1.1)
       thor (~> 0.14)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
-    i18n (0.8.1)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (2.0.3)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.5.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
-    method_source (0.8.2)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.10.1)
-    nio4r (2.0.0)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    method_source (1.0.0)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.14.1)
+    nio4r (2.5.2)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     parser (2.4.0.0)
       ast (~> 2.2)
     pg (0.19.0)
     powerpack (0.1.1)
     puma (3.7.1)
-    rack (2.0.1)
+    rack (2.2.2)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (5.0.2)
-      actioncable (= 5.0.2)
-      actionmailer (= 5.0.2)
-      actionpack (= 5.0.2)
-      actionview (= 5.0.2)
-      activejob (= 5.0.2)
-      activemodel (= 5.0.2)
-      activerecord (= 5.0.2)
-      activesupport (= 5.0.2)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 5.0.2)
+    rails (5.0.7.2)
+      actioncable (= 5.0.7.2)
+      actionmailer (= 5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activerecord (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      bundler (>= 1.3.0)
+      railties (= 5.0.7.2)
       sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.2)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (5.0.2)
-      actionpack (= 5.0.2)
-      activesupport (= 5.0.2)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.1)
-    rake (12.0.0)
+    rake (13.0.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
@@ -154,22 +155,22 @@ GEM
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.0)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.19.4)
+    thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.2)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.1.3)
     url (0.3.2)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby
@@ -194,4 +195,4 @@ DEPENDENCIES
   tzinfo-data
 
 BUNDLED WITH
-   1.14.4
+   1.17.3