Document changes and release

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

CHANGELOG.md

@@ -1,9 +1,11 @@
 # Change Log
 
-## [Unreleased]
+## [3.4.15] - 2017-01-02
 
 * Fix return value of Formatter.toString() when type is text
 * Fix parsing of FIELDS and LINES options in SELECT..INTO
+* PHP 7.2 compatibility.
+* Better parameter passing to query formatter.
 
 ## [3.4.14] - 2016-11-30