Fix standard

Author: ngan

bigrails-redis.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.metadata["source_code_uri"] = "https://github.com/BigRails/bigrails-redis"
   spec.metadata["changelog_uri"] = "https://github.com/bigrails/bigrails-redis/releases"
 
-  spec.files = Dir['{lib,exe}/**/*', 'README.md']
+  spec.files = Dir["{lib,exe}/**/*", "README.md"]
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
 

lib/big_rails/redis/configuration.rb

@@ -21,7 +21,7 @@ def initialize(redis_options)
       def ensure_connection_pool_added!
         require "connection_pool"
       rescue LoadError => e
-        $stderr.puts "You don't have connection_pool installed in your application. Please add it to your Gemfile and run bundle install"
+        warn "You don't have connection_pool installed in your application. Please add it to your Gemfile and run bundle install"
         raise e
       end
     end