0.0.6

Changes

Added

• support for setting tunable jail parameters
• support for non-persistent jails

Changed

• examples/jls: fixed nix version mismatch with rctl crate
• fixed jail teardown and save if RCTL not enabled
• RunningJail now derives Copy.
• RunningJail::jail_attach is now public.
• RunningJail::save now no longer saves the vnet parameter if it is set to
  inherit (2). See #34.
• updated rctl to 0.0.5
• updated prettytable-rs to 0.8.0