Fix crash with invalid radius
Fix crash when quarrying a protected area
Don't allow tubing items into LV machines
Use upvalues in registrations
Externalize common functions and protect inventories
Add missing translations
Fix generators
Don't regenerate placed rubber tree trunks
Drop full rubber tree nodes
Brazilian Portuguese translation
Merge branch 'l10n_pt-br' of https://github.com/aracnus/technic into l10n_pt-br