general
-------

- write test files
- change prefix for internal TeX macros
- check for lua name conflicts ('module' used in mods)
- check for macros starting with \luatex
- make TeX tests cleaner: \begingroup\expandafter\ETC.
- reload check, declaration, luatex test, catcodes for plain
- import/update doc
- date & changes entry

- redo module loading in packages once mods is done.

Later
=====

- change lua module name(s) (luatexbase or luatexbase.regs etc)