version bump to 1.0.1
fixes for conf.pp

- sudo_config_dir uses $::sudo::config_dir

  if we use $::sudo::params::config_dir, we always use the default
  parameter. but we want the same value as in the main sudo class (which
  is the default or gets overwritten when the class gets declared).

- when we use 'require sudo' we do not need the chaining arrow as this
  adds the dependency for us.