+lewdchem pref on CC -EnthrallExpo from botany, tweaks messages on EExpo

code/modules/client/preferences_savefile.dm

@@ -117,6 +117,7 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["widescreenpref"]		>> widescreenpref
 	S["autostand"]			>> autostand
 	S["cit_toggles"]		>> cit_toggles
+	S["lewdchem"]			>> lewdchem
 
 	//try to fix any outdated data if necessary
 	if(needs_update >= 0)
@@ -210,6 +211,7 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["widescreenpref"], widescreenpref)
 	WRITE_FILE(S["autostand"], autostand)
 	WRITE_FILE(S["cit_toggles"], cit_toggles)
+	WRITE_FILE(S["lewdchem"], lewdchem)
 
 	return 1