Avoid multi_json 1.3, update changes

Changes.md

@@ -1,9 +1,10 @@
-HEAD
+1.1.3
 -----------
 
 - Better network error handling when fetching jobs from Redis.
   Sidekiq will retry once per second until it can re-establish
-  a connection.
+  a connection. (ryanlecompte)
+- capistrano recipe now uses `bundle_cmd` if set [#147]
 
 1.1.2
 -----------

sidekiq.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency                  'redis-namespace'
   gem.add_dependency                  'connection_pool', '~> 0.9.0'
   gem.add_dependency                  'celluloid', '~> 0.10.0'
-  gem.add_dependency                  'multi_json', '~> 1.2.0'
+  gem.add_dependency                  'multi_json', '>= 1.0', '< 1.3'
   gem.add_development_dependency      'minitest'
   gem.add_development_dependency      'sinatra'
   gem.add_development_dependency      'slim'