Butcher the strsplit code to work with first aid, and to pass a third argument if that's what we get.

diff --git a/core.lua b/core.lua
index 99b203d..849050a 100644
--- a/core.lua
+++ b/core.lua
@@ -1488,7 +1488,7 @@ function addon:InitializeProfession(profession)
 end

 do
-	-- Code snippet stolen from GearGuage by Torhal
+	-- Code snippet stolen from GearGuage by Torhal and butchered by Ackis
 	local function StrSplit(input)
 		if not input then return nil, nil end
 		local arg1, arg2, var1
@@ -1497,17 +1497,23 @@ do
 		arg1 = (arg1 and arg1:lower() or input:lower())

 		if var1 then
-			local var2
-			arg2, var2 = var1:match("^([^%s]+)%s*(.*)$")
-			arg2 = (arg2 and arg2:lower() or var1:lower())
+			-- Small hack to get code to work with first aid.
+			local fa = L["First Aid"]
+			if var2:lower() == fa:lower() then
+				arg2 = var2
+			else
+				local var2
+				arg2, var2 = var1:match("^([^%s]+)%s*(.*)$")
+				arg2 = (arg2 and arg2:lower() or var1:lower())
+			end
 		end
-		return arg1, arg2
+		return arg1, arg2, var2
 	end

 	-- Determines what to do when the slash command is called.
 	function addon:ChatCommand(input)

-		local arg1, arg2 = StrSplit(input)
+		local arg1, arg2, arg3 = StrSplit(input)

 		-- Open About panel if there's no parameters or if we do /arl about
 		if not arg1 or (arg1 and arg1:trim() == "") or arg1 == strlower(L["Sorting"]) or arg1 == strlower(L["Sort"]) or arg1 == strlower(_G.DISPLAY) then