Realistic Block Physics

Fixes

• Fixed an issue which, when a default block definition was specified for a dimension, would apply default physics to blocks within definitions that were already blacklisted from that dimension via the Definition.Physics.BlockDefinitionBlacklist configuration.
• Fixed an issue which would limit beams protruding from pillars to be a maximum length of 8 blocks on the "realistic" engine, despite their support strength.
• Fixed an issue on the "simple" engine where blocks with a block definition, but no collision bounds, would cause the ground beneath them to fall if there was an air pocket.
• Fixed an issue where setting the "BeamStrength" value of a block definition to 1.0 would cause the blocks to float when not supported.

Enhancements

• Widened the scope for calculating additional cave strengthening.