lrzip-0.24+ file header format
January 2009
Peter Hyman, pete@peterhyman.com

Byte	Content
0-3	LRZI
4	LRZIP Major Version Number
5	not used
6-9	Source File Size (no HAVE_LARGE_FILES)
6-14	Source File Size
16-20	LZMA Properties Encoded (lc,lp,pb,fb, and dictionary size)
21-22	not used
23-36	Stream 1 header data
37-50	Stream 2 header data
51	Compressed data type
