CHANGELOG.md in raabro-1.3.0 vs CHANGELOG.md in raabro-1.3.1

@@ -1,8 +1,13 @@
 
 # raabro CHANGELOG.md
 
 
+## raabro 1.3.1  released 2020-05-10
+
+* Add '!' (not) seq quantifier
+
+
 ## raabro 1.3.0  released 2020-05-10
 
 * Add `nott` parser element
 * Add Tree#strinp and #strim
 * Skip 1.2.0 to align on http://github.com/jmettraux/jaabro