File Release Notes and Changelog

This new release adds a few facilities and mostly fixes bugs. Thanks for David Fetter, Nagy Gabriel, and Yura Sokolov for the suggestions, patches, and comments!

- Keep package table in pllua - Added pllua_validator - trigger.old now holds old row in upvalue before row operation triggers - Improved Makefile - pllua.init table is now optional - Use '...' as argument if any argname is missing in function declarations.