The DB field is 'server', not 'server_id'
Conflicts:
	lib/delayed/command.rb
	lib/delayed/tasks.rb
	lib/delayed/worker.rb
Give full path to class.

Otherwise it gets interpreted as Delayed::Worker::DeserializationError, which does not exist.

Conflicts:
	lib/delayed/worker.rb
We also need PerformableMethod

Conflicts:
	lib/delayed/worker.rb