ast modifs and additional arrow_taint phase to retrieve which arrow "protects" / "taints" which variable

Contract resolution still need to be done as well as dealing with the machine code level and so on.

Different parsers yet but shared process.
In case of lusi input the C backend is bypassed since the .h is generated from the lusic and no C code should be generated since it may overwrite existing manually written code

But

Adapted the parser/types/constructors for cocospec syntax