Reorganized sys functions

lib/sys/mem_windows.q

@@ -0,0 +1,7 @@
+mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
+	return kernel32.VirtualAlloc(address, length, flags, protection)
+}
+
+munmap(address Pointer, length Int) -> Int {
+	return kernel32.VirtualFree(address, length, 0x4000)
+}