Fixes numerous bugs from the Runtimes topic, more sanity checking on pipes and atmos stuff for the new FEA.

code/ATMOSPHERICS/components/unary/oxygen_generator.dm

@@ -42,6 +42,7 @@ obj/machinery/atmospherics/unary/oxygen_generator
 
 			air_contents.temperature = (current_heat_capacity*air_contents.temperature + 20*added_oxygen*T0C)/(current_heat_capacity+20*added_oxygen)
 			air_contents.oxygen += added_oxygen
+			air_contents.update_values()
 
 			if(network)
 				network.update = 1

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -124,6 +124,7 @@
 
 				//Remix the resulting gases
 				filtered_out.update_values()
+				removed.update_values()
 				air_contents.merge(filtered_out)
 
 				loc.assume_air(removed)

code/ATMOSPHERICS/datum_pipeline.dm

@@ -50,6 +50,7 @@ datum/pipeline
 					member.air_temporary.trace_gases += corresponding
 
 					corresponding.moles = trace_gas.moles*member.volume/air.volume
+			member.air_temporary.update_values()
 
 	proc/build_pipeline(obj/machinery/atmospherics/pipe/base)
 		air = new

code/ATMOSPHERICS/pipes.dm

@@ -341,6 +341,7 @@ obj/machinery/atmospherics/pipe
 
 		New()
 			initialize_directions = dir
+			air_temporary.update_values()
 			..()
 
 		process()