Update Help.php

Fix const used for VERSION
Improved extension globals support, fixing TSRMLS_CC
Property define with static-constant-access support

- added support for it

- added some tests for it

- added new macros RETURN_ON_FAILURE and RETURN_MM_ON_FAILURE

- wrap incr decr property to RETURN_ON_FAILURE
ClassProperty call declareProperty() if default value is not array
PregMatchOptimizer fix
Declare statement standartize exception to 1 static method for easy call
Removed unnecessary comparison uint with zero
Merge pull request #154 from vguardiola/master

Update Help.php
Merge pull request #155 from zaets28rus/class-property_statis-constant-access

Property define with static-constant-access support
Merge pull request #156 from tamaranga/master

PregMatchOptimizer fix
Merge pull request #158 from hell0w0rd/patch-1

Removed unnecessary comparison uint with zero
Initializing extension globals according to defaults defined on config.json
Adding extension globals tests
Allowing developers to add phpinfo tables with directives
ClassDefinition: correct classEntry for \IteratorAggregate is zend_ce_aggregate
Added test for let statement with GLOBAL variable (#159)
LetStatement fix undefined variables
Library: Fix undefined variables and cleanup unused ones
Merge pull request #160 from dario1985/master

Fix classEntry for \IteratorAggregate, undefined variables and cleanup unused ones
Merge pull request #161 from zaets28rus/159_issue

Added test for let statement with GLOBAL variable (#159)