new version 2.3.1.1

Author: shiyuan

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.nlpcn</groupId>
     <artifactId>elasticsearch-sql</artifactId>
-    <version>2.3.1.0</version>
+    <version>2.3.1.1</version>
     <packaging>jar</packaging>
     <description>Query elasticsearch using SQL</description>
     <name>elasticsearch-sql</name>