Optimise the maths for the jsonrpc oversize integer workaround.

data/modules.example.conf

@@ -814,14 +814,14 @@ module
 	 * The maximum number of bits an integer can be have in its native type.
 	 *
 	 * By default Anope will emit integers as their native JSON type. If you are
-	 * using JavaScript (which has 56 bit integers) or another language with
+	 * using JavaScript (which has 53 bit integers) or another language with
 	 * native integer types smaller than 64 bits you may need to limit the size
 	 * of integers emitted by Anope.
 	 *
 	 * If this is enabled a string will be used for values outside of the range
 	 * supported by the native data type.
 	 */
-	#integer_bits = 56
+	#integer_bits = 53
 
 	/* Web service to use. Requires httpd. */
 	server = "httpd/main"