Remove legacy code

Remove redundant code

Improve infrastructure

Add infrastructure for JIT initialization of auto globals

Fix mem leak

- Make __construct() have higher priority than class name functions
- for constructors.
- Fix problem with the engine allowing final/abstract for the same method.
- Both patches are by Ma

- Make __construct() have higher priority than class name functions
- for constructors.
- Fix problem with the engine allowing final/abstract for the same method.
- Both patches are by Marcus Börger.

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Get the bits right - final/private fix

fix exception handling

Add 'final'

Move abstract inheritance logic to the right spot

Fixed abstract handling in inheritence

Allow namespaces to have a number of parts. I.e., now you can do:
namespace foo {
function abc() {}
}
...
namespace foo {
functio def() {}
}

Avoid using a C++ reserved word

add support for ::foo syntax meaning "global one"

remove debug prints

ZTS fixes

Namespace patch. Big changes:
1. Nested classes are gone.
2. New syntax for namespaces:
namespace foo {
class X { ... }
function bar { ... }
var x = 1;

Namespace patch. Big changes:
1. Nested classes are gone.
2. New syntax for namespaces:
namespace foo {
class X { ... }
function bar { ... }
var x = 1;
const ZZ = 2;
}
3. Namespaced symbol access: $x = new foo::X; - etc.
For now, namespaces are case insensitive, just like classes.
Also, there can be no global class and namespace with the same name
(to avoid ambiguities in :: resolution).

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Fix declaration of class members that don't have an explicit access modifier

Fix require() handling - that's an old bug!

Improve parser handling of 'abstract'

Fix zend_initialize_class_data()

Centralize class initialization

- Treat $this->foo inside class X as an implicit 'public $foo' if X::$foo
is not explicitly declared
- Forbid multiple declaration of the same variable

Add missing destructors

Fix the 2nd buglet in the error message :)