Terrain Mapper v0.4 support

Support Terrain Mapper v0.4.0 elevated regions and tiles.
Better support for difficult terrain using Terrain Mapper or drawings.
Now incrementing elevation at the end of the waypoint move, to better function with Terrain Mapper.
Rewrite and simplify the movement penalty calculation. Measure penalties through regions and drawings using 2d cutaway intersections through the 3d shape for a given 3d line segment.
Adjustments to how fly and burrow are handled.
Use actor.system.currentmove for GURPS so it accounts for encumbrance, etc. Closes #164.
Potential fix for token document lock (#145) thanks to @aburley1234!
Update lancer speed attribute for Lancer 2.0. Thanks @BoltsJ!

What's Changed

• Fixing an issue where the Token would lock under certain conditions by @aburley1234 in #165
• Add Lancer integration to README by @BoltsJ in #162

New Contributors

• @aburley1234 made their first contribution in #165
• @BoltsJ made their first contribution in #162

Full Changelog: 0.9.12...0.10.0