correct sqlite3 version

Author: srujayk

rottenpotatoes/Gemfile

@@ -7,7 +7,6 @@ gem 'rails', '4.2.10'
 
 # for Heroku deployment - as described in Ap. A of ELLS book
 group :development, :test do
-  gem 'sqlite3', '> 1.4.0'
   gem 'byebug'
   gem 'database_cleaner'
   gem 'capybara'
@@ -37,6 +36,8 @@ gem 'jquery-rails'
 gem 'haml'
 gem 'protected_attributes'
 
+gem 'sqlite3', '~> 1.3.0'
+
 # Use unicorn as the web server
 # gem 'unicorn'