Gets old and new settings info, counts through each line of new settings
and if we have a match on the old settings, copy that over if it's not
versionNo or codeMirrorDir.
Saves settings once the $content is established
$updateDone = true moved to end of new function, copyOverSettings
Extra echo line in openNewZip and then calls this function
Get settings from old config___settings.php file
For now, for each one, get $key and $value
Need to save these info new config___settings.php file
Stores old versions with timestamp in dir name
Copies new version into a new dir
Detects & downloads the latest zip file
Unzips and if all went well, directs to the new version
Provides info on it's progress and also a message if things go wrong