Wuzzy <almikes@aol.com> [Wed, 16 Nov 2016 18:02:22 +0100] rev 11898
Fix low gravity utility not working in Gravity script (fixes #13)
Using low gravity halves the gravity.
For using a range, both the minimum and maximum gravities are halved.
Negative gravities are doubled.
Bonus: game modifier “low gravity” will be force-disabled.