X add phar command (phar.phar) [Marcus]
X list all available compression methods using Phar::getSupportedCompression() [Marcus]
+ * Reduce RINIT to variable initialization, no fcall, hashinit
+ * Provide an additional header that allows better compatibility with PHP 4
+ __HALT_COMPILER();function __HALT_COMPILER(){}$a=<<<PHARDATABEGIN\n
* ability to have Phar object return file class as offsetGet() result
* ability to store empty directories
* [optional] Phar->rollback() to abort a write transaction