Give the street lamps real pools: 10 m range and 8 energy at physical falloff

CHANGELOG.md

@@ -8,6 +8,7 @@ Semantic Versioning.
 
 ### Fixed
 
+- Street lamps now throw a warm pool on the pavement instead of dimly washing the whole walkway.
 - The flashlight actually lights what it points at. It was tuned to a beam so weak it changed the
   frame by less than one 255th of a level; it now throws a visible pool on the door and the pavement
   ahead, in both venues.