Combine HashTable.flags and HashTable.nApplyCount into single 32-bit word
Bring zval_get_string implement in line with make_printable_zval

As make_printable_zval is the "main" string cast, match that one.
Use zval_get_string in print_zval and propagate TSRMLS
Use zval_get_string in a few more places
Fast path for pre/post inc/dec
Merge branch 'refactoring2' of github.com:zendtech/php into refactoring2
Convert zval_get_string() into "fast path" macro and "slow path" function
Handle references in "slow path"
Reverted chunk committed by mistake
zend_isset_isempty_dim_prop_obj_handler() split into separate handlers. (Actually, it shared near nothing)
Avoid string duplication
Chiper __autoload() function caching
Use fast comparison function
Use shorter call chain
Merge branch 'refactoring2' of github.com:zendtech/php into refactoring2
Cache knowledge about missing property_info
ZEND_SEND_* optimization
Optimized ZEND_SEND_REF
Fixed typo
Refactor PDO (only compilable now)