Update changelog

src/site/markdown/overview/changelog.md

@@ -14,11 +14,14 @@
 **Pull Requests:**
 
 *   [#126](https://github.com/pmd/pmd/pull/126): \[java] Avoid creating a new String to qualify types
+*   [#129](https://github.com/pmd/pmd/pull/129): \[plsql] Added correct parse of IS [NOT] NULL and multiline DML
 
 **Bugfixes:**
 
 *   XML
     *   [#1518](https://sourceforge.net/p/pmd/bugs/1518/): \[xml] Error while processing xml file with ".webapp" in the file or directory name
+*   psql
+    *   [#1549](https://sourceforge.net/p/pmd/bugs/1549/): \[plsql] Parse error for IS [NOT] NULL construct
 
 
 **API Changes:**