diff --git a/Gemfile.lock b/Gemfile.lock
index d1840f9..201c37b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,6 +40,7 @@ GEM
       tzinfo (~> 1.1)
     arel (7.0.0)
     builder (3.2.2)
+    byebug (11.1.3)
     coffee-rails (4.2.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.2.x)
@@ -73,6 +74,9 @@ GEM
     minitest (5.9.0)
     multi_json (1.12.1)
     nio4r (1.2.1)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     nokogiri (1.6.8-x86-mingw32)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -119,14 +123,15 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    sqlite3 (1.3.11)
     sqlite3 (1.3.11-x86-mingw32)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.5)
     turbolinks (5.0.0)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2016.6)
       tzinfo (>= 1.0.0)
@@ -142,6 +147,7 @@ GEM
     websocket-extensions (0.1.2)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES