Releasing alpha3

API break

• @BASEURL tag is not supported anymore. Juliet sites should migrate to the new Jinja-like tag {{ baseurl }}.
• Files without header are now rejected.
• \ before preprocessor tags will now be interpreted as escaping character

New features

• Juliet file structures can now be initialized using juliet init
• Cleanup destination directory before installation.
• Add command line arguments --no-clean (or -nc) to disable destination directory cleanup before build
• Allow escaping of preprocessor tags

Bug fixes

• #1, #2

Misc

• Refactor numerous files under juliet/ (more OOP, snake case instead of camel case, etc.).
• Improve documentation
• New tests