* NEW: Handle the FAST keyword in function declaration.

[COMPILER]
* NEW: Each function can be declared individually FAST. The keyword must be
  the first one on the line.

[GB.EVAL]
* NEW: Handle the FAST keyword in function declaration.


git-svn-id: svn://localhost/gambas/trunk@4769 867c0c6c-44f3-4631-809d-bfa615b0a4ec