prep for v0.8.3 release

update version to v0.8.2

update to v0.8.1

update documentation

prep for v0.7.0 release

prep for v0.6.3

prep for v0.6.2

fix self-closing tags

Adding Slim (#4)

Added Slim template support: https://slim-lang.com/

- Added a new directive "@slim" to parse Slim templates into Go code
- Added "@haml" for existing Haml templates

Deprecating "@Goht" template directive; templates should use "@haml" instead.

* Slim templating added

Release v0.5.0