Update version to 0.4.0. (#57)

Author: dnwpark

README.md

@@ -20,23 +20,23 @@ The Java binding is distrubuted via maven central:
 
 #### Gradle
 ```groovy
-implementation 'com.gel:driver:0.3.0'
+implementation 'com.gel:driver:0.4.0'
 ```
 
 #### Maven
 ```xml
 <dependency>
   <groupId>com.gel</groupId>
   <artifactId>driver</artifactId>
-  <version>0.3.0</version>
+  <version>0.4.0</version>
 </dependency>
 ```
 
 #### SBT
 
 ```scala
 libraryDependencies ++= Seq(
-  "com.gel" % "driver" % "0.3.0"
+  "com.gel" % "driver" % "0.4.0"
 )
 ```
 

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 ext {
-    project_version = '0.3.1-SNAPSHOT'
+    project_version = '0.4.0-SNAPSHOT'
     github_org = 'geldata'
     project_name = 'gel-java'
     artifact_group = 'com.gel'

examples/scala-examples/build.sbt

@@ -3,7 +3,7 @@ ThisBuild / version := "0.1.0-SNAPSHOT"
 ThisBuild / scalaVersion := "3.1.3"
 
 libraryDependencies ++= Seq(
-  "com.gel" % "driver" % "0.3.0" from "file:///" + System.getProperty("user.dir") + "/lib/com.gel.driver-0.3.0.jar",
+  "com.gel" % "driver" % "0.4.0" from "file:///" + System.getProperty("user.dir") + "/lib/com.gel.driver-0.4.0.jar",
   "ch.qos.logback" % "logback-classic" % "1.4.7",
   "ch.qos.logback" % "logback-core" % "1.4.7",
   "com.fasterxml.jackson.core" % "jackson-databind" % "2.15.1",