fix an issue with ZAS geometry not re-forming

Signed-off-by: Mloc <colmohici@gmail.com>
Prevent stacks multiplier href exploit
Merge pull request #6712 from Mloc/bs12-overflow

fix an issue with ZAS geometry not re-forming
Merge pull request #6715 from Menshin/stacks_href_exploit_fix

Prevent stacks multiplier href exploit
Ambiguous expression readded.
Who thought it was a good idea to omit multiplier for 1x ?!?
Merge pull request #6717 from Menshin/ambiguous_expression_fix

Fixes being unable to craft 1x multiplier items from stacks
Merge pull request #3 from Baystation12/master

BS12 Update