Upgrade version to 0.9.0 (#60)

Change-Id: Iee025b4e6700bd61936f5ccea9a02608c1fb8c83
diff --git a/pom.xml b/pom.xml
index 323156c..31b7a31 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.baidu.hugegraph</groupId>
     <artifactId>hugegraph-loader</artifactId>
-    <version>0.8.0</version>
+    <version>0.9.0</version>
 
     <properties>
         <release.name>hugegraph-loader</release.name>
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>com.baidu.hugegraph</groupId>
             <artifactId>hugegraph-client</artifactId>
-            <version>1.6.11</version>
+            <version>1.7.0</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>