Another small fix

Cleanups, remove old ts code

Make token names uniform, they all begin with T_ now.

Thread safety patch. It works now with 'just in time' resource initialization!

Thread safety patch. We're still not quite there but it compiles again, and
more logic has been implemented.

Support =unset as arguments

Whatnot:
* updated alloc_persist to use critical sections
* changed extension shutdown to two-phase
* updated dependencies
* PR support (don't remember if there was any really)

- Should fix the pass by reference problem. This happened because we moved
start from arg 1 now and not arg 0. There might be more places which need fixing
like in the executor but the bug

- Should fix the pass by reference problem. This happened because we moved
start from arg 1 now and not arg 0. There might be more places which need fixing
like in the executor but the bug seems OK now.

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-Tiny patches

- Fix various memory leaks.

Destroy the resource list after destroying the symbol table, otherwise the
auto-destructor for resources are run when the resource list is no longer valid

This patch is a go. Not fully optimized yet, but working properly.
Prepatch tagged as BEFORE_STACK_PATCH.

Minor fixes:
missing zval_copy_ctor()
messed up AiCount fix

Prevent class redeclarations

$GLOBALS support

Fix static assignment

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