screw pump: unk_100 -> pump_energy
Naming an obscure viewscreen field.
Inferred from previous versions, assuming to be correct
From analysis on earlier versions, these are coordinates
Merge branch 'master' of git://github.com/expwnent/df-structures
Merge branch 'master' of git://github.com/eswald/df-structures
Merge branch 'master' of git://github.com/quietust/df-structures