CHANGELOG

0.4.0dev:
	* local-timer based scheduling support added
	* MLFQ scheduling
	* CFS scheduling
	* FCFS scheduling
	* improved PenaltySchedulerAddon
		* schedulers now return time-slices, which is used for the local-timer based scheduling
		* the addon uses these time-slices to measure the penalty
	* add TimeSliceFixer
	* add TimeSliceMaxer
	* ModuleBuilder added for more convenient hierarchy specification
	* ModuleBuilderThread added for dynamic hierarchy expansion
	* removal of "unsuccessful" (i.e. non-atomic) context switches
	* decreased binary log buffering for faster output
	* thread statistics changes (and fixes!)
	* logging of statistics
	* plotting tool for statistics
	* scheduler and VCPU threads wait until schedulers have ready threads
		* when a scheduler yields, the parent module knows that its child does not have any ready threads
		* normally idle threads would wait for some signal, i.e. message, to arrive
		* thus a module would resume the scheduler if it previously yielded, but now has a message waiting
		* in the simulator, threads wake up "by themselves", which is why we need to do this
		* previously, yielding schedulers were assumed to still have ready threads
		* they would just yield again though, leading to an alternating series of "schedule A, A yields"
0.3.1:
	* PenaltySchedulerAddon fix
0.3.0:
	* thread statistics fixes
	* PeriodicWorkThread fixes
	* SchedulerAddon added
	* thread statistics gather individual data points, instead of just the sum
	* VCPUs return after their thread yielded (see 219745623331c0d7d787b505470d745d645b20c0 for more info)
	* performance optimizations in hot paths
0.2.0:
	* thread/scheduling fixes
	* Shortest Job First scheduling
		* no heuristics, just peeks into the thread's internals
	* CPU redesign
		* read about new design in HACKING
		* allows adding multi-core support and interrupt handling simulation
0.1.0:
	* initial release
	* Round Robin scheduling
	* MessagePack, Plaintext and SVG logging
	* replay.py to convert from MessagePack to Plaintext or SVG
	* module hierarchy and hierarchical scheduling support