[chore] Update changelog

CHANGELOG

@@ -1,10 +1,13 @@
 1.1.3 - 20190621
  * Fixed an error with PHP > 7.2.X where create_function is deprecated, also fixed another error with PHP 7.3.X. Thanks to Turkish for the report.
  * Fixed the view button when URL Rewriting is enabled.
+ * Fixed an error in epubreader with headers. thanks to worstje for the report. 
+ * Added a real logo for COPS. Thanks to horus68 for doing all the work ;).
+ * Added a proper translation for `_CLEAR_` text. Was reported for many year :(. 
  * Added Galician translation. Thanks to Sadrarin Highland.
+ * Added Afrikaan translation. Thanks to PetrusVermaak.
  * Updated Spanish, Basque, Italian, Dutch, French, Portuguese, Romanian, Russian, Swedish, Turkish. Thanks to the translators and horus68.
 
-
 1.1.2 - 20180626
  * Fixed the download of Kepub with recent firmware from Kobo. Thanks to ospring for the report.
  * Fixed the cache headers. Thanks to CgX for the fix.