13 Apr 1995:
	- removed compilation warning for lzrw*.c, pred.c
	- made patch against Linux 1.2.5
09 Apr 1995:
	- added save_flags before cli calls in double.c and dbtools.c
	- made patch against Linux 1.2.4
03 Mar 1995:
	- I can't believe it's been so long
	- bug fix in calls to (un)lock_db in db_set_fd and db_clr_fd (double.c)
	- if [] added to config.in
	- quite a few comments added to sources
	- added default value display in mkdble
	- changed to Makefile for utilities
08 Jan 1995:
	- blksize_size array added in "double.c" for fs with different block
	sizes
	- made version 0.4i
05 Jan 1995:
	- changes to linux/fs/super.c (for mount -t dble to work on floppies)
   Jan 1995:
	- many comments improved in dbtools.c
16 Jan 1995:
	- changed computation in db_get_newbit (dbtools.c). changed a few
	if - else's. Made version 0.4h (bug free - to go with bug free
	Linux 1.1.81).
14 Jan 1995:
	- removed float from db_get_newbit (dbtools.c). changed dbfrag.c 
	accordingly.
13 Jan 1995:
	- several minor changes to function types and names.
	- read-only check removed from sys_write() in fs/read_write.c
	- version 0.4g
18 Dec 1994:
	- changed buffer size computing in lzw.c - fixed error in length
	returned by RLZW
	- done exhaustive performance tests
	- made version 0.4e1
17 Dec 1994:
	- fixed bug in return value of rpred (pred.c) - for dbck
	- added length check to Lzv (lzv.c), for better error reporting
12 Dec 1994:
	- made and tested version 0.4e. This one should be close to being
	ready for uploading to major ftp sites.
11 Dec 1994:
	- changed block fragmentation computation in dbfrag.c
	- added size parameter to db_rw_block() (dbtools.c)
	- tried to optimize calls to db_rw_block() in read_cluster()
	and write_cluster() (dbtools.c). Hope that's a bit faster.
09 Dec 1994:
	- defined US_LL_RW_BLK - that increases speed up to 2 fold.
	- made version 0.4d
07 Dec 1994:
	- changes to device mounting:
		- locked driver while mounting (double.c)
		- added checking that mount point is not busy (fs/super.c)
	- made version 0.4c
	- changes to dbck.c - detection of errors improved
	- check_full function cleaned up (double.c)
	- bmap lookup improved
06 Dec 1994:
	- major changes to dbck. dbck now repairs compressed devices and
	checks bitmaps more extensively
05 Dec 1994:
	- fixed wheader again. Previous fix was worse than what it was
	trying to cure in that it was writing random values to bitmap
04 Dec 1994:
	- fixed bug in "wheader". This bug which had appeared in version
	0.4 resulted in regular files with blocks smaller that 1024 bytes
	used as compressed devices being corrupt and compressed disk devices 
	having many "blocks set used are clear" reported by dbck
	- minor changes to some function names in dbtools.c and double.c
	- buffer initialization changed in order for buffers to start at a
	512-byte boundary (for dma)
	- made version 0.4b
03 Dec 1994:
	- info structure modified, dbmode updated to report device size,
	and mount flags
	- some cleanup done on "check_full"
	- added multiple buffer flushing
02 Dec 1994:
	- bug fix to super block data structure
24 Nov 1994:
	- dbfrag manual page written
	- version 0.4a made
22 Nov 1994:
	- rlzrw* changed in order to check for overflow
20 Nov 1994:
	- bug fix in block allocation (dbtools.c)
	- buf fix in block sorting (dbtools.c)
19 Nov 1994:
	- dbfrag written
	- block allocation scheme modified in order to:
		- prevent fragmentation
		- sort blocks within clusters
12 Nov 1994:
	- added clean bit, updated dbck
	- uploaded version 0.4 to achaz.saclay.cea.fr
	and julia.physik.fu-berlin.de
11 Nov 1994:
	- fixed block size setting and checking in dbtools.c and double.c
	it should now work with files on MSDOS filesystems with recent
	kernels !
10 Nov 1994:
	- added specific handling of clear clusters to write_cluster
	in dbtools.c
	- double-0.4 made available for testing on "achaz" as patch only,
	for Linux 1.1.62
06 Nov 1994:
	- patch01 to double-0.3a uploaded. typo fix and HOWTO improved
05 Nov 1994:
	- typo removed from version 0.3a
	- HOWTO file completed
02 Nov 1994:
	- version 0.4 runs
01 Nov 1994:
	- fixed one more problem with buffer uptodate flag in dbtools.c
	- made version 0.3a
31 Oct 1994:
	- started testing version 0.4 - still buggy
30 Oct 1994:
	- finished including patch from Didier Genard for version 0.4
	- improved buffer behavior in out of space conditions
25 Oct 1994:
	- Made version 0.3. I feel this one has been tested thoroughly
23 Oct 1994:
	- started working on version 0.4. Focus on data security
09 Oct 1994:
	- Made patch against Linux kernel >= 1.1.30
	- Finally found and fixed the bug with swapping: 1 line added
	to dbtools.c
19 Jul 1994:
	- Finally started writing man pages for the utilities
	- codes for compression algorithms changed to 8 bits
14 Jul 1994:
	- Fixed dbmode problem with code > 255
11 Jul 1994:
	- buffer flushing improved according to suggestions from Didier
	Genard. Feels faster
31 May 1994:
	- double-0.2b
29 May 1994:
	- Fix to buffer initialization done sometime in May
	- Minor fixes in April
23 Mar 1994:
	- double-0.2a, with patches against Linux 1.0
19 Mar 1994:
	- cluster functions/buffers handling cleaned up
14 Mar 1994:
	- free block lookup improved (dbtools.c: get_newbit)
12 Mar 1994:
	- buffer flushing fixed in umount/dbumount
	- some work on dbck; it can now check blocks
11 Mar 1994:
	- bug fix in fs/super.c; double device could be umounted 2x,
	resulting in a segmentation fault
	- LZV-0.3 compression, by Hermann Vogt, included 
	- bug fix in dbck.c (floating point error when device empty).
	- minor changes to mkdble.c
 4 Mar 1994:
	- bug fix in pred.c (last flag byte was not written)
 3 Mar 1994: Version 0.2 uploaded
 2 Mar 1994:
	- bug fix in double.c do_db_request; swap partitions can now be
	mounted on DouBle devices
	- minor typo corrections to test distribution 0.2
27 Feb 1994:
	- bug fix: added synchronization to statfs
26 Feb 1994: Test version 0.2 ftp'ed to Thomas Graichen
25 Feb 1994:
	- getting ready to upload version 0.2 (file cleaning)
	- Default parameters to mkdble changed
24 Feb 1994:
	- Function ll_rw_dble written. It replaces calls to ll_rw_block,
	  but may still need some work (Error checking)
23 Feb 1994:
	- Implementation of the predictor's algorithm, by Dave Rand,
	as suggested by Jean-Loup Gailly who provided sources and advices
20 Feb 1994:
	- Implementation of mount/umount/df support files:
		dbsuper.c, mount.c, fs/super.c
18 Feb 1994:
	- Fixes to variable initialization
	- Implementation of LZRW2, LZRW3A, by Ross Williams, as suggested
	by Leo Broukhis who provided sources and advices
16 Feb 1994:
	- dbck utility largely modified
15 Feb 1994:
	- Few minor changes as suggested by Thomas Graichen
	- function get_newbit rewritten
10 Feb 1994: Version 0.1a
	- Patch against kernel 0.99pl15
	- Few minor changes
5 Feb 1994: Patch 1
	- Bug fix (when using more than one device). Bug reported by
	<jbthiel@eeyore.atmos.ogi.edu>
1 Feb 1994: Version 0.1:
	- Buffer flushing improved
	- Synchronization between kernel and user requests fixed
	- Some speed improvement
	- Few minor changes
26 Jan 1994: Version 0.0 submitted
