History of EmuControl::key 1 change

In client/emu_control.py, lines 120–135 on 8ac19619e24b6fcb349832849eafdce5a7bee67d1b2d3de35b233ba629b39b1d+bed0f1e524fef708c855791a30d54b455bbe957f85f87cf0879a8cf3ff44287e. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 120,135:client/emu_control.py.