Start 1.7.1 development

Change-Id: If6e6ecaf3db3563720b678dcb8eba5b3234c38fc
diff --git a/pom.xml b/pom.xml
index 7326e2f..ade1f28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <groupId>gwtorm</groupId>
   <artifactId>gwtorm</artifactId>
   <packaging>jar</packaging>
-  <version>1.7</version>
+  <version>1.7.1-SNAPSHOT</version>
   <name>gwtorm</name>
   <description>Tiny ORM</description>
   <url>https://gerrit.googlesource.com/gwtorm</url>