rails 4 and tons of stuff

Gemfile

@@ -1,24 +1,25 @@
 source 'https://rubygems.org'
 
-gem 'rails', '3.2.12'
+gem 'rails', '4.1.0'
 
 gem 'mysql2'
 gem 'jquery-rails'
 gem 'therubyracer'
-gem 'bcrypt-ruby', '~> 3.0.0' # To use ActiveModel's has_secure_password
+gem 'bcrypt-ruby' # To use ActiveModel's has_secure_password
 gem 'simple_form'
 gem 'sanitize'
-gem 'github-markdown'
+gem 'redcarpet'
 gem 'hirb' #pretty console output
-gem 'rb-readline', '~> 0.4.2'
+gem 'rb-readline'
 gem 'rest-client'
+gem 'activerecord-session_store'
 
 # Gems used only for assets and not required
 # in production environments by default.
 group :assets do
-  gem 'sass-rails',   '~> 3.2.3'
-  gem 'coffee-rails', '~> 3.2.1'
-  gem 'uglifier', '>= 1.0.3'
+  gem 'sass-rails'
+  gem 'coffee-rails'
+  gem 'uglifier'
 end
 
 group :development do