Tidy up imports/requires to use Zeitwerk

bin/client.rb

@@ -18,7 +18,7 @@ class PipelineClient
   def open_socket
     @socket = context.socket(ZMQ::REQ)
     @socket.setsockopt(ZMQ::LINGER, 0)
-    @socket.connect("tcp://localhost:5566")
+    @socket.connect("tcp://localhost:5555")
   end
 
   def close_socket

bin/worker

@@ -8,5 +8,5 @@ worker_identity = ARGV[0]
 channel_address = ARGV[1]
 env_base = ARGV[2]
 
-server = Pipeline::Rpc::Worker.new(worker_identity, channel_address, env_base)
-server.listen
+daemon = Pipeline::Rpc::Worker::Daemon.new(worker_identity, channel_address, env_base)
+daemon.listen