lib/heroku/commander/errors.rb
require 'heroku/commander/errors/base'
require 'heroku/commander/errors/client_eio_error'
require 'heroku/commander/errors/command_error'
require 'heroku/commander/errors/missing_command_error'
require 'heroku/commander/errors/missing_pid_error'
require 'heroku/commander/errors/unexpected_output_error'
require 'heroku/commander/errors/already_running_error'
require 'heroku/commander/errors/no_such_process_error'
require 'heroku/commander/errors/invalid_option_error'