Bump version in order for sparkle updater to work. Core is still 3.1.0

Author: clobber

Atari800Core/Atari800-Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>3.1.0</string>
+	<string>3.1.1</string>
 	<key>NSPrincipalClass</key>
 	<string>OEGameCoreController</string>
 	<key>OEGameCoreClass</key>