update changes

CHANGES.md

@@ -1,9 +1 @@
-- SEC: ExtendedPdo no longer enables self::ATTR_EMULATE_PREPARES by default; this is to avoid security holes when using emulation.
-
-- REF: Extract the statement-rebuilding logic to its own Rebuilder class
-
-- ADD: ExtendedPdo::fetchGroup() functionality.
-
-- ADD: When binding values via perform(), add the self::PARAM_* type based on the value being bound.
-
-- TST: Update testing structure
+- CHG: ExtendedPdo::prepare() now profiles the query-preparation time