Refactor CLI usage into CLI.run!:

* Add Producer::Core::CLI::ArgumentError class;
* Raise ArgumentError in CLI.new when recipe is missing;
* Remove #check_arguments! and #print_usage_and_exit, move code into
  .run! method.

bin/producer

@@ -2,4 +2,4 @@
 
 require 'producer/core'
 
-Producer::Core::CLI.new(ARGV).run!
+Producer::Core::CLI.run!(ARGV)