A FS object that represents the contents of a BIG file (C&C Generals, BfME C&C3, C&C Red Alert 3, C&C4 file format)
Written by Koen van de Sande http://www.tibed.net
Contributed under the terms of the BSD License: http://www.opensource.org/licenses/bsd-license.php
A FileSystem that represents a BIG file.
Create a FS that maps on to a big file.
Finalizes the zip file so that it can be read. No further operations will work after this method is called.