As somebody has said, you should change the version number or if is a minor change in some files send the link with the files you have modified zipped because I have some configuration files changed and I have to check almost all the files when overwriting the files to avoid lose that every time you are telling me to download a new version.
You should understand my concern when I have three different internet servers with a lot of sites using cuteeditor version 5.0 which has some known bugs my customers already know but I can't tell them that I have a very new version 5.1 which it will fix all those issues because I can't really trust in that new version.
David