upgraded redis-rb to fix #8 Redis::InheritedError

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 group :test, :development do
   gem "rspec", "~> 3.0.0.beta1"
-  gem "redis-namespace", "~> 1.4.1"
+  gem 'redis-namespace', '~> 1.5.1'
   gem "rake", "~> 0.9.6"
   gem 'simplecov', '~> 0.7.1', :require => false
   gem "codeclimate-test-reporter", require: nil

weixin_authorize.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "rest-client", ">= 1.6.7"
-  spec.add_dependency "redis", "~> 3.0.7"
+  spec.add_dependency "redis", "~> 3.1.0"
 
   spec.add_dependency "carrierwave", "~> 0.10.0"
   spec.add_dependency 'mini_magick', '~> 3.7.0'