Bump post-release SNAPSHOT version

Author: labkey-nicka

labkey-client-api/build.gradle

@@ -60,7 +60,7 @@ buildDir = new File(project.rootProject.buildDir, "/remoteapi/labkey-api-java")
 
 group "org.labkey.api"
 
-version "1.3.0"
+version "1.4.0-SNAPSHOT"
 
 dependencies {
     api "org.apache.httpcomponents:httpmime:${httpmimeVersion}"