Issue #670 Fix
Archimedes won't construct moulds already being filled.
Merge pull request #683 from waveney/wav24

Issue #676
Merge pull request #684 from GeneralYouri/master

Issue #670 Fix
Merge pull request #685 from mart0258/patch-1

Archimedes won't construct moulds already being filled.
Issue #687
Issue #688
Merge pull request #689 from D0rako/master

Issue #687 & #688 Fix