Full changelog at https://github.com/stevedonovan/Penlight/blob/master/CHANGELOG.md#160-2018-11-23

Interesting changes:
* version numbers fixed
* import_into includes everything properly
* more compat with lua 5.1

Includes a switch to codeload to avoid the git cloning and mirror
hashes.

Signed-off-by: Karl Palsson <karlp@etactica.com>