- Removed export access and added internal access support

- Variable and parameter names should in most cases be stored in the generated code, toggleable with a boolean in JavaWriter
- TryCatch should work, except for returns or jumps outside the block as no finally's will be applied then, also, didnt yet start with Try with resources
- Started with classes, constructors, fields and methods

- If/Else
- While do and do While
- For