diff --git a/Gemfile.lock b/Gemfile.lock
index 20392e5..92d23bd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,92 +7,119 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    actionmailer (4.2.10)
-      actionpack (= 4.2.10)
-      actionview (= 4.2.10)
-      activejob (= 4.2.10)
+    actioncable (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      actionview (= 5.2.8.1)
+      activejob (= 5.2.8.1)
       mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.10)
-      actionview (= 4.2.10)
-      activesupport (= 4.2.10)
-      rack (~> 1.6)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.2.8.1)
+      actionview (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      rack (~> 2.0, >= 2.0.8)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.10)
-      activesupport (= 4.2.10)
+    actionview (5.2.8.1)
+      activesupport (= 5.2.8.1)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (4.2.10)
-      activesupport (= 4.2.10)
-      globalid (>= 0.3.0)
-    activemodel (4.2.10)
-      activesupport (= 4.2.10)
-      builder (~> 3.1)
-    activerecord (4.2.10)
-      activemodel (= 4.2.10)
-      activesupport (= 4.2.10)
-      arel (~> 6.0)
-    activesupport (4.2.10)
-      i18n (~> 0.7)
+    activejob (5.2.8.1)
+      activesupport (= 5.2.8.1)
+      globalid (>= 0.3.6)
+    activemodel (5.2.8.1)
+      activesupport (= 5.2.8.1)
+    activerecord (5.2.8.1)
+      activemodel (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      arel (>= 9.0)
+    activestorage (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      activerecord (= 5.2.8.1)
+      marcel (~> 1.0.0)
+    activesupport (5.2.8.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.4.0)
-    arel (6.0.4)
-    builder (3.2.3)
-    concurrent-ruby (1.0.5)
+    arel (9.0.0)
+    builder (3.2.4)
+    concurrent-ruby (1.2.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.6)
+    date (3.3.4)
     diff-lcs (1.2.5)
-    erubis (2.7.0)
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
+    erubi (1.12.0)
+    globalid (1.1.0)
+      activesupport (>= 5.0)
     hashdiff (0.3.0)
-    i18n (0.9.5)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.2)
+    loofah (2.22.0)
       crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.7.0)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
       mini_mime (>= 0.1.1)
-    mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    rack (1.6.9)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (4.2.10)
-      actionmailer (= 4.2.10)
-      actionpack (= 4.2.10)
-      actionview (= 4.2.10)
-      activejob (= 4.2.10)
-      activemodel (= 4.2.10)
-      activerecord (= 4.2.10)
-      activesupport (= 4.2.10)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.10)
-      sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.9)
-      activesupport (>= 4.2.0, < 5.0)
-      nokogiri (~> 1.6)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
-    railties (4.2.10)
-      actionpack (= 4.2.10)
-      activesupport (= 4.2.10)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.3)
+    method_source (1.0.0)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.5)
+    minitest (5.22.2)
+    net-imap (0.4.10)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.4.0.1)
+      net-protocol
+    nio4r (2.7.0)
+    nokogiri (1.16.2)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    racc (1.7.3)
+    rack (2.2.8.1)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rails (5.2.8.1)
+      actioncable (= 5.2.8.1)
+      actionmailer (= 5.2.8.1)
+      actionpack (= 5.2.8.1)
+      actionview (= 5.2.8.1)
+      activejob (= 5.2.8.1)
+      activemodel (= 5.2.8.1)
+      activerecord (= 5.2.8.1)
+      activestorage (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      bundler (>= 1.3.0)
+      railties (= 5.2.8.1)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+      thor (>= 0.19.0, < 2.0)
+    rake (13.1.0)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
       rspec-expectations (~> 3.4.0)
@@ -107,21 +134,25 @@ GEM
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
     safe_yaml (1.0.4)
-    sprockets (3.7.1)
+    sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-rails (3.2.1)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    thor (0.20.0)
+    thor (1.3.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    timeout (0.4.1)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     webmock (1.24.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
+    websocket-driver (0.7.6)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby