Merge branch 'pipe-sleep-strategy' into 'master'

emper/Debug.hpp

emper/Emper.hpp

emper/Runtime.cpp

emper/Runtime.hpp

emper/Worker.hpp

emper/io/IoContext.cpp

emper/io/IoContext.hpp

emper/io/Stats.cpp

emper/lib/TaggedPtr.hpp

emper/sleep_strategy/AbstractWorkerSleepStrategy.hpp

emper/sleep_strategy/PipeSleepStrategy.cpp

emper/sleep_strategy/PipeSleepStrategy.hpp

emper/sleep_strategy/SemaphoreWorkerSleepStrategy.hpp

emper/sleep_strategy/WorkerSleepStrategy.hpp

emper/sleep_strategy/meson.build

emper/strategies/AbstractWorkStealingScheduler.cpp

emper/strategies/AbstractWorkStealingScheduler.hpp

emper/strategies/AbstractWorkStealingStats.cpp

emper/strategies/AbstractWorkStealingWorkerStats.hpp

emper/strategies/laws/LawsDispatcher.cpp