[INTERPRETER]
* NEW: Support for error management in JIT methods.
[COMPILER]
* BUG: Fix Error() function metadata.
[GB.JIT]
* NEW: Support for error management.
* NEW: TRY instruction.
* BUG: Correct support of NULL.
[INTERPRETER]
* OPT: String routines are now compiled with -O3.
* NEW: Don't display JIT debugging message unless GB_JIT_DEBUG is set to something different from zero.
* NEW: String whose length is greater than 256 now have a growth step of 256 bytes instead of 16.
[GB.JIT]
* NEW: Do many global optimizations as now the class metadata is fully available.
* NEW: Support for optional argument. Still buggy at the moment.
