Merge branch 'add_func_to_replays' into 'master'

python-api-src/lib_replay_unit.cpp

python-api-src/library.cpp

python-api-src/library.h

src/IDAReplayObserver.cpp

src/IDAReplayObserver.h

src/ReplayUnit.cpp

src/ReplayUnit.h

src/Unit.cpp

src/Unit.h