1.9.17

* Electric Engine now supports different maximum EU and conversion rates
for each tier
* Added many configuration options for the Electric Engine
* Tweaked the engine renderer to attempt to fix rendering glitches
* Relocked the memory crystal slot of the Industrial Workbench
* Fixed packet handler glitch which broke some items on stand-alone
servers.
* Fixed an issue with machines that use the FlexibleSlot which could
cause crashes.