JOLIE 0.9 released

Changelog:

- Creation of libJOLIE: a shared library, devoted to the parsing and code analysis routines, on which JOLIE projects are now based upon (including the interpreter itself).
- Major reimplementation of the parsing and semantics validation engines.
- Implementation of correlation sets, used to support sessions in a concurrent or sequential way, each with its own memory state or a shared one.
- Implementation of fault and compensation handling mechanisms, internal and through the network.
- Many runtime performance and stability improvements.
- Various code optimizer improvements.