IC2 Classic Version 1.1.3.7.4.3

This is the last Fix for the Tekkit Legends version...
Tekkit Legends gets soon a update and then this version will be no longer needed...

Changelog:
-Added: Increased Efficeny with the EnergyNet.
-Removed: Overcreating sets to lists... (slower then iterating through a set)
-Added: Improved the code of Easy Mode. So its less laggy
-Fixed: All machines check for redstone (if they do) only once per tick. Even if there if there is more then one call
-Fixed: EnergyNet did calculate do to another fix (long ago) everything twice
-Fixed: ToolBox stores now items properly.
-Added: Reactor Components can now be stored in a tool box (8 Extra Slots)