lunit

This release adds the function assert_match_error() and should be more compatible with Darwin and Mac OS X. A few bugs were fixed.

This is mostly a complete rewrite. It supports Lua-5.1 only, and uses the Lua module system. Included is a shell script that should make using lunit easy. Support for different test runner plugins has been added. The included default test runner is a console test runner.

The function lunit.wrap(), to wrap a single function into a complete test case, was added. On test failures, the stack backtrace will be shown.

This release fixes an ugly bug and adds a bunch of new tests to its own
test suite. Everyone who downloaded the 0.1 release should upgrade as
soon as possible.