Calls analyze_gases() when a pipe is hit with an air analyzer - also adds a readout of the analyzed system's total moles, which is nifty for atmos techs to know.
This PR will lead us towards the Promised Day, for in its wake there shall be much celebration and ecstasy as this world becomes a world suitable for developer hegemony. The first strike is thusly;
All << is converted into to_chat().