base64 is a gem now

Author: hownowstephen

customerio.gemspec

@@ -18,6 +18,7 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency('multi_json', "~> 1.0")
   gem.add_dependency('addressable', '~> 2.8.0')
+  gem.add_dependency('base64', '~> 0.3.0')
 
   gem.add_development_dependency('rake', '~> 10.5')
   gem.add_development_dependency('rspec', '~> 3.10')