* BUG: Fix profiling of Eval() calls.
[INTERPRETER]
* NEW: GB.ReturnBorrow() is a new API to temporarily borrow the return
value.
* NEW: GB.ReleaseBorrow() is a new API to release the return value borrowed
by the previous function, without releasing it.
[GB.DEBUG]
* BUG: Fix profiling of Eval() calls.
[GB.V4L]
* BUG: Fix a compilation warning.
git-svn-id: svn://localhost/gambas/trunk@5053 867c0c6c-44f3-4631-809d-bfa615b0a4ec