Logging during index merge phase is improved. The remaining running
time is estimated.

Temporary files generated by zebraidx are removed after each run.

Bug fix: Dictionary didn't handle 8-bit characters correctly; was obvious
when doing scan operations in dictionares with european characters.

--- 1.0a4 1996/01/11

A whole slew of updates, to make the first publicized release. Get the doc
and check it out.

--- 1.0a3 1995/12/06

Memory-problems in ISAM fixed. More blocktypes added to the default setup
to increase performance on larger databases.

Various minor changes in data management system.

--- 1.0a2 1995/12/05

A couple of portability-problems resolved.

Changed some malloc() to xmalloc().

--- 1.0a1 1995/11/28

First release.