Changelog for execline.

In 2.4.0.0
----------

 - Several programs have been renamed, to fit closer with their
equivalent functionality in the shell language. See the full list
in doc/upgrade.html


In 2.3.0.4
----------

 - Bugfixes.


In 2.3.0.3
----------

 - Better CPPFLAGS, CFLAGS and LDFLAGS management.


In 2.3.0.2
----------

 - Optimization release to go with skalibs-2.6.0.0
 - xpathexec_* exit codes changed.


In 2.3.0.1
----------

 - Bugfix release.
 - Code size optimizations via skalibs-2.5.1.0


In 2.3.0.0
----------

 - Added this NEWS file. :)
 - Major types overhaul to make them more POSIXly correct:
compatibility with skalibs-2.5.0.0.
 - The "import" command is now marked as obsolescent.