Version 0.161 Changelist

Add new part: Sliding Pipe (strength adjusts sliding friction)
Changed pistons to use Min/Max positions for improved usability
Updated 3 piston models to make them use staggered extensions
Rebalanced huge impacts in a few ways to make it less of a problem for massive vehicles
Added Mega Impacts slider to Sandbox mode so you can still play with extreme impacts if you want
Fixed release connector to apply force based on sub-part positions, not rigidbody
Made it possible to disable particles completely