*****SATANIC SPOILERS!***** The late 1960s and early 1970s broke new ground with high-end supernatural/occult-themed films, such as “Rosemary’s Baby” (1968) and “The Exorcist” (1973).  That wave continued into the mid-1970s, but it devolved into a slew of exploitation flicks made primarily for drive-in theaters, such as 1975’s “The Devil’s Rain” and “Race with the Devil,”…