Changes from version 1.0.1 to 1.0.2
-----------------------------------

1. Correction tcp_debug bug

Changes from version 1.0.2 to 1.0.3
-----------------------------------

1. Addition '*Time Out*' message
2. Correction dbs_view's bug

Changes from version 1.0.3 to 1.1.0
-----------------------------------

dbsc dbsd
1. Correction debug mode (-d) bug :-)
2. Correction daemon mode (-D) bug
3. Correction tcp_debug bug
4. Implement distributed interupt:
   When dbsc is interupted, interupt signal derivary to all dbsds
   and then dbsds are killed.
5. Implement dbsd auto kill. (in 60s)
6. 'mss' option is added. (But 4.4BSD kernel ignores BIG MSS)
7. 'len' is added into tcp_trace output files.

dbs_view
8. Fix -trtt bug (rto) 
9. Changes -trtt options. r:Real RTT, m:Measured RTT in the kernel, o:RTO
10.Implement -tdelay option. s:send delay, a:ack delay

Changes from version 1.1.0 to 1.1.1
-----------------------------------

1. Correction the checking traffic pattern bug
2. Chenges signal processes (for Solaris)

Changes from version 1.1.1 to 1.1.2
-----------------------------------

1. fix minor error (Sorry, I fogot.)

Changes from version 1.1.2 to 1.1.3
-----------------------------------

1. fix dbsd bind error.
2. dbsc has shown more detailed information when error occured.

Changes from version 1.1.3 to 1.1.4
-----------------------------------

1. Linux has been supported.
2. The path of gnuplot has been removed.
3. Fix the enbugging: the sample TCPvsMPEG.cmd does not run correctly.
   (1-3: Thanks Richard Kooijman.)

Changes from version 1.1.4 to 1.1.5
-----------------------------------

1. Correction enbugging on tcp_trace mode
2. Correction bug on *time out*