Merge pull request #7 from alyssaburlton/target-compatibility

Target compatibility of 1.8

Author: alyssaruth

build.gradle

@@ -8,7 +8,7 @@ plugins {
 }
 
 group 'com.github.alexburlton'
-version '3.0.0'
+version '3.1.0'
 
 repositories {
     mavenCentral()
@@ -26,9 +26,15 @@ dependencies {
 }
 
 compileKotlin {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_1_8
+
     kotlinOptions.jvmTarget = "1.8"
 }
 compileTestKotlin {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+
     kotlinOptions.jvmTarget = "1.8"
 }
 
@@ -71,7 +77,7 @@ publishing {
         mavenJava(MavenPublication) {
             groupId = 'com.github.alexburlton'
             artifactId = 'swing-test'
-            version = '3.0.0'
+            version = '3.1.0'
             from components.java
 
             pom {