New build with important fixes

Fixed a severe bug that sometimes prevented any entities from spawning after a certain point. - Fixed glitch that seemed to use old rank point levels rather than the new, lower ones. So when you play the game again, you may find yourself suddenly promoted (meaning you should have been promoted before). - Mining tunnel surfaces are now procedural, with mathematically-generated rock veins that look like they extend through the material in three dimensions. Some of the wooden board surfaces are now partly randomized, although others still need to be updated. - Shadow LOD now has smooth transitions rather than instantly popping in. - The "Anomaly Radar" (available at upper ranks) had previously displayed electrical appliances as anomalies (since they emit electromagnetic radiation), which has now been fixed. So that refrigerator no longer shows up as a ghost. - Some other fixes and additions, including a wondrous bit of apparel at the final rank.