Rakefile in nexmos-0.2 vs Rakefile in nexmos-0.3

@@ -1,6 +1,6 @@
-require "bundler/gem_tasks"
+require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
+task default: :spec