#74 Cut down on file writing

Wrapper
open
doh123
5
2012-03-07
2012-03-07
doh123
No

Wineskin.m writes to files too many times. There are times where information has NOT changed but it still re-writes the files. Put in more logic so that files are only written to (like user.reg) if the file info is really changed.

Also with this, check if files are symlinks before writing to them. If they are symlinks, get the symlink info and write to the file correctly. This will be useful for future plans of having an option to have a wrapper that has all writable data stored in user folders and not in the wrapper.

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