Small progress report

I'm currently trying to figure out what the cause is of the out of memory exceptions thrown when running with the PairingHeapQueue and trying to figure out if that queue just demands a large amount of memory or if there is some sort of a leak going on.

In other news, the Ladder Queue seems to withstand my torture testing quite well (after some minor adjustments like the ability to deal with more than 5 rungs, which is very unlikely to come up in real simulation), so it seems that it's about ready to be plugged into the simulator.