a typo fixed (forcus to focus )
Use a cast to unsigned int instead of a string method
Adding support for delimiters other than '/' for search and replace
Add compatibility UUID to info.plist

Not sure what the deal here is, or if it will work for other people, but
I needed to add this to the plist in order to get Xvim to work with
Xcode 5 DP-3
Fix some warnings.
Some of them are just stupid bugs