Release version 1.2.0

Release version 1.1.4

* Readme improvements
* Slight fix in `runliluat --help`

liluat.render: pretty error messages for runtime errors

Release v1.1.2

Better unit tests.
Pretty error messages.

Release v1.1.1, bugfix release

Release v1.1.0

Release v1.0.2

Update rockspec for release 1.0.1

rockspec for version 1.0