- Introduce zend_hash_graceful_destroy(), which allows the destructor functions to
use zend_hash_apply() and/or zend_hash_graceful_destroy()
- Switch to zend_hash_graceful_destroy() in the resource list shutdowns
* Fix an AiCount bug - list(...) = $var was using $var multiple times, and thus
causing AiCount to be decreased multiple times even though it was increased only
once for $var. Mark all FETCH_DIM's so that they won't decrease AiCount, and only
decrease AiCount on the last FETCH_DIM.
* Fix a stupid bug - forgot to pass CLS_C to some compiler function. For some reason
MSVC doesn't report these :I