Rewritting NextLanguauge to use an AST parser.

[cassitly]

As of v1.9 of NextLanguauge, we're using an trivial syntax system, which can be found used in v1.8 to v1.9 and also v2.0-dev, we've opened a new branches called v2.0-ast which we'll be working on to rewrite NextLanguauge to use an ast parsed. If you have seen issue no. #22 we've already started trying to push this change into v2.0-dev, which will be moved to v2.0

Using an ast parser will allow the following this mentioned in:

• Push AST Centralized parser to v2.0-dev #22