Update version from 1.3.4 to 1.5.4

Author: micycle1

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>micycle</groupId>
 	<artifactId>clipper2</artifactId>
-	<version>1.3.4</version>
+	<version>1.5.4</version>
 	<name>Clipper2</name>
 	<properties>
 		<jmh.version>1.36</jmh.version>