Fix detection for CFB files version 4 #240
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Previously the offset for the CLSID was searched for using v3 offsets. This commit changes detection to check CFB version in order to choose between v3(512) and v4(4096) offsets. https://www.loc.gov/preservation/digital/formats/fdd/fdd000392.shtml
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Previously the offset for the CLSID was searched for using v3 offsets.
This commit changes detection to check CFB version in order
choose between v3(512) and v4(4096)
https://www.loc.gov/preservation/digital/formats/fdd/fdd000392.shtml