WIP: Make exporter output properly portable#2

Open

PoroCYon wants to merge 5 commits intogopher-atz:masterfrom

PoroCYon:master

Commits on May 9, 2019

make exporter use correct export_func and section format stuff
PoroCYon
committed
make 4klang.asm portable (fix up section flags, demangle symbols)
PoroCYon
committed
readd USE_SECTIONS, now on by default on linux (and windows)
PoroCYon
committed
symbol name fixes
PoroCYon
committed
make exported .inc file work on any platform
PoroCYon
committed