Add support for binary, and octal number prefixes for INI settings

This drops support for PHP_MIN_VALUE as we now need to manually change the sign of the result.
Therefore the lowest possible value without overflow is PHP_MIN_VALUE+1.

Author: Girgias

UPGRADING

@@ -231,7 +231,7 @@ PHP 8.2 UPGRADE NOTES
 
 - OpenSSL:
   . openssl_cipher_key_length(): Returns a key length for the supplied
-    cipher.  
+    cipher.
 
 - Reflection:
   . ReflectionFunction::isAnonymous()
@@ -425,6 +425,10 @@ PHP 8.2 UPGRADE NOTES
 11. Changes to INI File Handling
 ========================================
 
+- INI integer values now support the 0b/0B literal prefixes for binary numbers
+  and the 0o/0O prefixes for octal numbers.
+  Note the 0x/0X hexadecimal prefixes and using a single 0 for octal numbers
+  was already supported.
 - Parsing of some ill-formatted values will now trigger a warning when this was
   silently ignored before. Interpretation of these values is not changed, for
   backwards compatibility. This affects the following settings: