Polygraph Mod v1.1
By Leslie E. Krause

Polygraph is a formspec-based charting API for Minetest, providing a rich set of output 
parameters and custom rendering hooks within an object-oriented framework.

Revision History
----------------------

Version 1.0b (31-Jan-2018)
  - initial beta version

Version 1.1 (28-Apr-2018)
  - included support files for public release
  - included working code examples

Installation
----------------------

  1) Unzip the archive into the mods directory of your subgame
  2) Rename the polygraph-master directory to "polygraph"

Source Code License
----------------------

Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)

Copyright (c) 2018, Leslie E. Krause

You are free to:
Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

Attribution — You must give appropriate credit, provide a link to the license, and
indicate if changes were made. You may do so in any reasonable manner, but not in any way
that suggests the licensor endorses you or your use.

No additional restrictions — You may not apply legal terms or technological measures that
legally restrict others from doing anything the license permits.

Notices:

You do not have to comply with the license for elements of the material in the public
domain or where your use is permitted by an applicable exception or limitation.
No warranties are given. The license may not give you all of the permissions necessary
for your intended use. For example, other rights such as publicity, privacy, or moral
rights may limit how you use the material.

For more details:
http://creativecommons.org/licenses/by-sa/3.0/