forget about return ;)

stead/stead.lua

@@ -652,9 +652,13 @@ function call(v, n, ...)
 	if type(v[n]) == 'function' then
 		callpush(v, unpack(arg))
 		local a,b = v[n](v, unpack(arg));
-		if a == false and b == nil then
-			b = a
-			a = stead.pget()
+		-- boolean, nil
+		if type(a) == 'boolean' and b == nil then
+			b, a = a, stead.pget()
+			if a == nil then
+				a = b
+				b = nil
+			end 
 		elseif a == nil and b == nil then
 			a = stead.pget()
 			b = nil