Added a function for memory size alignment

lib/math/math.q

@@ -0,0 +1,11 @@
+align2(x uint64) -> uint64 {
+	x -= 1
+	x |= x >> 1
+	x |= x >> 2
+	x |= x >> 4
+	x |= x >> 8
+	x |= x >> 16
+	x |= x >> 32
+	x += 1
+	return x
+}