add md5sum maker for dist packages.

diff --git a/make_md5.bat b/make_md5.bat
new file mode 100644
index 0000000..80213cf
--- /dev/null
+++ b/make_md5.bat
@@ -0,0 +1,10 @@
+rem *** Used to create a Python exe
+
+setlocal
+set VERSION=0.4.1
+
+"C:\Program Files\UnixUtils\md5sum.exe" "../pykeylogger%VERSION%_src.zip" "../pykeylogger%VERSION%_win32.zip" > "../pykeylogger%VERSION%_md5sums.txt"
+
+endlocal
+
+pause "done, press to key to exit"
\ No newline at end of file