Changelog better search

https://github.com/FreshRSS/FreshRSS/issues/1381

CHANGELOG.md

@@ -3,6 +3,10 @@
 ## 2017-xx-xx FreshRSS 1.7.0-dev
 * Features:
 	* Deferred insertion of new articles, for better chronological order [#530](https://github.com/FreshRSS/FreshRSS/issues/530)
+	* Better search:
+		* Possibility to use multiple `intitle:`, `inurl:`, `author:` [#1478](https://github.com/FreshRSS/FreshRSS/pull/1478)
+		* Negative searches with `!` or `-` [#1381](https://github.com/FreshRSS/FreshRSS/issues/1381)
+			* Examples: `!intitle:unwanted`, `-intitle:unwanted`, `-inurl:unwanted`, `-author:unwanted`, `-#unwanted`, `-unwanted`
 * Compatibility:
 	* Add support for PHP 7.1 [#1471](https://github.com/FreshRSS/FreshRSS/issues/1471)
 	* PostgreSQL is not experimental anymore [#1476](https://github.com/FreshRSS/FreshRSS/pull/1476)