Updated version number to 2.3.1

Author: ansonliao

pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>com.github.ansonliao</groupId>
   <artifactId>Selenium-Extensions</artifactId>
-  <version>2.3.0</version>
+  <version>2.3.1</version>
   <packaging>jar</packaging>
 
   <name>Selenium-Extensions</name>