class Byebug::Command

def help(args)
  output = description.split("\n").map{|l| l.gsub(/^ +/, '')}
  output.shift if output.first && output.first.empty?
  output.pop if output.last && output.last.empty?
  output = output.join("\n") + "\n"
  if defined? self::Subcommands
    return output += format_subcmds unless args and args[1]
    output += format_subcmd(args[1])
  end
  return output
end