Update lib/iron_worker_ng/code/base.rb
Update lib/iron_worker_ng/code/base.rb

Set base_dir before evaluating .worker
iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng,iron-io/iron_worker_ruby_ng