Readme 1597

https://github.com/FreshRSS/FreshRSS/issues/1597

CHANGELOG.md

@@ -8,6 +8,8 @@
 	* Korean [#1578](https://github.com/FreshRSS/FreshRSS/pull/1578)
 * Bug fixing
 	* PHP 7.1 compatibility for the API [#1584](https://github.com/FreshRSS/FreshRSS/issues/1584), [#1594](https://github.com/FreshRSS/FreshRSS/pull/1594)
+* Misc.
+	* Allow longer database usernames [#1597](https://github.com/FreshRSS/FreshRSS/issues/1597)
 
 
 ## 2017-06-03 FreshRSS 1.7.0