TL5 Features

Candidate for first official Lumi compiler

done:

1. implement methods outside of class
2. support static memory management
3. conditional references
4. efficient slices
5. switch operator :=:
6. full ! implementation
7. better error handling
8. better loops
9. embed lumi.c into generated C file
10. better C interface
11. cleanup method (destructor)
12. support Byte and Buffer
13. integer range support: Int{min:max}
14. dynamic interfaces
15. simple array/buffer/string
16. primitive references
17. compile to library

todo:

1. better model system
2. Python interface

optional:

1. type global variables and constants
2. array methods
3. String enforce correct Unicode
4. some planned final syntax that is not supported yet...