History of EmuControl::key 1 change

In client/emu_control.py, lines 112–127 on 79333fa1febe9028d3120778337b471dca2cb7acc8a49a50283c6040dfc30d49. 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 112,127:client/emu_control.py.