Log Message:
Update to version 0.241.

Changes:

0.241:
======
- XBase: codepage option to XBase->create added, suggested by
  Chris Greenhill.

0.240:
======
- XBase: delete_record/undelete_record now corrctly returns
  false when the delete fails, problem reported by Boris Kocak.

0.234:
======
- Added test to Makefile.PL and note to INSTALL about case
  insensitive clash with Xbase.pm, suggested by Michael Higgins
  and Jan from AS.
- Added documentation / comments about datetime, suggested
  by John Freed.
- Xbase: Added the recompute_lastrecno parameter, suggested by
  Kevin J. Rice. Added EOF to create, suggested by Ilya Sandler.