* Initial commit of process framework.
* Fixed a small issue.
* Cleaned up old name.
* Harmonized with lua 5.4, and added documentation.
* Process is a userdata, not a table, so had to wrap it. Also added in `wait`.
* Added in documentation.
* Clarified documentation.
* Applied patch, and fixed undefined variable.
* Re-ordered documentation to be more sensible, added missing option.
* Added into start.
* Removed unecessary require.
takase1121
Adam