Set SPLEVLTYPE to "soko1-1"; visit soko4-* (or minetown) on the way there; oops: access violation from deferencing a null pointer.
- iron bars should be treated like doors with respect to wallification
SPLEVTYPE can have a value like "minetn-3,minend-2,soko2-2" and allows someone in debug mode to select specific instances of random levels to use in a test game. Invalid values found in SPLEVTYPE are silently ignored.
