Update CHANGES

Author: denji

CHANGES

@@ -1,8 +1,19 @@
+2020-06-27    VERSION 2.5.1
+    * fix: empty key check - it coredumps when cache key is empty, Tuğrul Topuz
+    * fix: purge report calloc fix - Report template has not cache file path but it's length is use in buffer memory allocation, Tuğrul Topuz
+
 2018-08-04    VERSION 2.5
     * feat/docs: cache_purge_response_type directive, selecting response type (html|json|xml|text)
     * break: changed status of HTTP code 404 (Not Found) to 412 (Precondition Failed)
     * fix: remove path information of response body (#4, 3a8c08a, #11)
 
+2020-06-27    VERSION 2.4.3
+    * fix: empty key check - it coredumps when cache key is empty, Tuğrul Topuz
+
+2017-09-28    VERSION 2.4.2
+    * fix: segfault in call to `ngx_read_file` of partial key purge, Frankie Dintino
+    * fix: segfault in `cplcf->conf->purge_all` with separate location syntax, Frankie Dintino
+
 2017-02-21    VERSION 2.4.1
     * Fix compatibility with nginx-1.11.6+, Sułowicz Paweł