diff --git a/Gemfile b/Gemfile
index 95a9682..837c95c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,50 +1,50 @@
-source 'https://rubygems.org'
-
-git_source(:github) do |repo_name|
-  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
-  "https://github.com/#{repo_name}.git"
-end
-
-
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.1.3'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3', '~> 1.3.13'
-# Use Puma as the app server
-gem 'puma', '~> 3.7'
-# Use SCSS for stylesheets
-gem 'sass-rails', '~> 5.0'
-# Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 1.3.0'
-# See https://github.com/rails/execjs#readme for more supported runtimes
-# gem 'therubyracer', platfo
-
-# Use CoffeeScript for .coffee assets and views
-gem 'coffee-rails', '~> 4.2'
-# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
-gem 'turbolinks', '~> 5'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.5'
-# Use Redis adapter to run Action Cable in production
-# gem 'redis', '~> 3.0'
-# Use ActiveModel has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
-
-# Use Capistrano for deployment
-# gem 'capistrano-rails', group: :development
-
-group :development, :test do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
-  # Adds support for Capybara system testing and selenium driver
-  gem 'capybara', '~> 2.13'
-  gem 'selenium-webdriver'
-end
-
-group :development do
-  # Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
-end
-
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+source 'https://rubygems.org'
+
+git_source(:github) do |repo_name|
+  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
+  "https://github.com/#{repo_name}.git"
+end
+
+
+# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
+gem 'rails', '~> 5.1.3'
+# Use sqlite3 as the database for Active Record
+gem 'sqlite3', '~> 1.3.13'
+# Use Puma as the app server
+gem 'puma', '~> 4.3'
+# Use SCSS for stylesheets
+gem 'sass-rails', '~> 5.0'
+# Use Uglifier as compressor for JavaScript assets
+gem 'uglifier', '>= 1.3.0'
+# See https://github.com/rails/execjs#readme for more supported runtimes
+# gem 'therubyracer', platfo
+
+# Use CoffeeScript for .coffee assets and views
+gem 'coffee-rails', '~> 4.2'
+# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
+gem 'turbolinks', '~> 5'
+# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
+gem 'jbuilder', '~> 2.5'
+# Use Redis adapter to run Action Cable in production
+# gem 'redis', '~> 3.0'
+# Use ActiveModel has_secure_password
+# gem 'bcrypt', '~> 3.1.7'
+
+# Use Capistrano for deployment
+# gem 'capistrano-rails', group: :development
+
+group :development, :test do
+  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
+  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  # Adds support for Capybara system testing and selenium driver
+  gem 'capybara', '~> 2.13'
+  gem 'selenium-webdriver'
+end
+
+group :development do
+  # Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
+  gem 'web-console', '>= 3.3.0'
+end
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
diff --git a/Gemfile.lock b/Gemfile.lock
index c895100..3f46e36 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,187 +1,188 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    actioncable (5.1.7)
-      actionpack (= 5.1.7)
-      nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.1.7)
-      actionpack (= 5.1.7)
-      actionview (= 5.1.7)
-      activejob (= 5.1.7)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 2.0)
-    actionpack (5.1.7)
-      actionview (= 5.1.7)
-      activesupport (= 5.1.7)
-      rack (~> 2.0)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.7)
-      activesupport (= 5.1.7)
-      builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.7)
-      activesupport (= 5.1.7)
-      globalid (>= 0.3.6)
-    activemodel (5.1.7)
-      activesupport (= 5.1.7)
-    activerecord (5.1.7)
-      activemodel (= 5.1.7)
-      activesupport (= 5.1.7)
-      arel (~> 8.0)
-    activesupport (5.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
-    arel (8.0.0)
-    bindex (0.8.1)
-    builder (3.2.3)
-    byebug (11.0.1)
-    capybara (2.18.0)
-      addressable
-      mini_mime (>= 0.1.3)
-      nokogiri (>= 1.3.3)
-      rack (>= 1.0.0)
-      rack-test (>= 0.5.4)
-      xpath (>= 2.0, < 4.0)
-    childprocess (1.0.1)
-      rake (< 13.0)
-    coffee-rails (4.2.2)
-      coffee-script (>= 2.2.0)
-      railties (>= 4.0.0)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
-    crass (1.0.4)
-    erubi (1.8.0)
-    execjs (2.7.0)
-    ffi (1.11.1)
-    ffi (1.11.1-x86-mingw32)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.6.0)
-      concurrent-ruby (~> 1.0)
-    jbuilder (2.9.1)
-      activesupport (>= 4.2.0)
-    loofah (2.2.3)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
-    mail (2.7.1)
-      mini_mime (>= 0.1.1)
-    method_source (0.9.2)
-    mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
-    minitest (5.11.3)
-    nio4r (2.4.0)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
-    public_suffix (3.1.1)
-    puma (3.12.1)
-    rack (2.0.7)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rails (5.1.7)
-      actioncable (= 5.1.7)
-      actionmailer (= 5.1.7)
-      actionpack (= 5.1.7)
-      actionview (= 5.1.7)
-      activejob (= 5.1.7)
-      activemodel (= 5.1.7)
-      activerecord (= 5.1.7)
-      activesupport (= 5.1.7)
-      bundler (>= 1.3.0)
-      railties (= 5.1.7)
-      sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
-      nokogiri (>= 1.6)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
-    railties (5.1.7)
-      actionpack (= 5.1.7)
-      activesupport (= 5.1.7)
-      method_source
-      rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (12.3.3)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
-      ffi (~> 1.0)
-    rubyzip (1.2.3)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
-    selenium-webdriver (3.142.3)
-      childprocess (>= 0.5, < 2.0)
-      rubyzip (~> 1.2, >= 1.2.2)
-    sprockets (3.7.2)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-rails (3.2.1)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
-      sprockets (>= 3.0.0)
-    sqlite3 (1.3.13)
-    sqlite3 (1.3.13-x86-mingw32)
-    thor (0.20.3)
-    thread_safe (0.3.6)
-    tilt (2.0.9)
-    turbolinks (5.2.0)
-      turbolinks-source (~> 5.2)
-    turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
-    tzinfo-data (1.2019.2)
-      tzinfo (>= 1.0.0)
-    uglifier (4.1.20)
-      execjs (>= 0.3.0, < 3)
-    web-console (3.7.0)
-      actionview (>= 5.0)
-      activemodel (>= 5.0)
-      bindex (>= 0.4.0)
-      railties (>= 5.0)
-    websocket-driver (0.6.5)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
-    xpath (3.2.0)
-      nokogiri (~> 1.8)
-
-PLATFORMS
-  ruby
-  x86-mingw32
-
-DEPENDENCIES
-  byebug
-  capybara (~> 2.13)
-  coffee-rails (~> 4.2)
-  jbuilder (~> 2.5)
-  puma (~> 3.7)
-  rails (~> 5.1.3)
-  sass-rails (~> 5.0)
-  selenium-webdriver
-  sqlite3 (~> 1.3.13)
-  turbolinks (~> 5)
-  tzinfo-data
-  uglifier (>= 1.3.0)
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (5.1.7)
+      actionpack (= 5.1.7)
+      nio4r (~> 2.0)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.1.7)
+      actionview (= 5.1.7)
+      activesupport (= 5.1.7)
+      rack (~> 2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.1.7)
+      activesupport (= 5.1.7)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.1.7)
+      activesupport (= 5.1.7)
+      globalid (>= 0.3.6)
+    activemodel (5.1.7)
+      activesupport (= 5.1.7)
+    activerecord (5.1.7)
+      activemodel (= 5.1.7)
+      activesupport (= 5.1.7)
+      arel (~> 8.0)
+    activesupport (5.1.7)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    addressable (2.6.0)
+      public_suffix (>= 2.0.2, < 4.0)
+    arel (8.0.0)
+    bindex (0.8.1)
+    builder (3.2.3)
+    byebug (11.0.1)
+    capybara (2.18.0)
+      addressable
+      mini_mime (>= 0.1.3)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (>= 2.0, < 4.0)
+    childprocess (1.0.1)
+      rake (< 13.0)
+    coffee-rails (4.2.2)
+      coffee-script (>= 2.2.0)
+      railties (>= 4.0.0)
+    coffee-script (2.4.1)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.12.2)
+    concurrent-ruby (1.1.5)
+    crass (1.0.4)
+    erubi (1.8.0)
+    execjs (2.7.0)
+    ffi (1.11.1)
+    ffi (1.11.1-x86-mingw32)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (1.6.0)
+      concurrent-ruby (~> 1.0)
+    jbuilder (2.9.1)
+      activesupport (>= 4.2.0)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    method_source (0.9.2)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.11.3)
+    nio4r (2.4.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.4-x86-mingw32)
+      mini_portile2 (~> 2.4.0)
+    public_suffix (3.1.1)
+    puma (4.3.12)
+      nio4r (~> 2.0)
+    rack (2.0.7)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.1.7)
+      actioncable (= 5.1.7)
+      actionmailer (= 5.1.7)
+      actionpack (= 5.1.7)
+      actionview (= 5.1.7)
+      activejob (= 5.1.7)
+      activemodel (= 5.1.7)
+      activerecord (= 5.1.7)
+      activesupport (= 5.1.7)
+      bundler (>= 1.3.0)
+      railties (= 5.1.7)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.2.0)
+      loofah (~> 2.2, >= 2.2.2)
+    railties (5.1.7)
+      actionpack (= 5.1.7)
+      activesupport (= 5.1.7)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (12.3.3)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    rubyzip (1.2.3)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    sass-rails (5.0.7)
+      railties (>= 4.0.0, < 6)
+      sass (~> 3.1)
+      sprockets (>= 2.8, < 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+      tilt (>= 1.1, < 3)
+    selenium-webdriver (3.142.3)
+      childprocess (>= 0.5, < 2.0)
+      rubyzip (~> 1.2, >= 1.2.2)
+    sprockets (3.7.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    sqlite3 (1.3.13)
+    sqlite3 (1.3.13-x86-mingw32)
+    thor (0.20.3)
+    thread_safe (0.3.6)
+    tilt (2.0.9)
+    turbolinks (5.2.0)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    tzinfo-data (1.2019.2)
+      tzinfo (>= 1.0.0)
+    uglifier (4.1.20)
+      execjs (>= 0.3.0, < 3)
+    web-console (3.7.0)
+      actionview (>= 5.0)
+      activemodel (>= 5.0)
+      bindex (>= 0.4.0)
+      railties (>= 5.0)
+    websocket-driver (0.6.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.4)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+
+PLATFORMS
+  ruby
+  x86-mingw32
+
+DEPENDENCIES
+  byebug
+  capybara (~> 2.13)
+  coffee-rails (~> 4.2)
+  jbuilder (~> 2.5)
+  puma (~> 4.3)
+  rails (~> 5.1.3)
+  sass-rails (~> 5.0)
+  selenium-webdriver
+  sqlite3 (~> 1.3.13)
+  turbolinks (~> 5)
+  tzinfo-data
+  uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
 
 BUNDLED WITH