build everything on jdk11

Author: breandan

README.md

@@ -84,7 +84,7 @@ repositories {
 }
 
 dependencies {
-    implementation("com.github.breandan:kotlingrad:0.4.3")
+    implementation("com.github.breandan:kotlingrad:0.4.4")
 }
 ```
 
@@ -102,7 +102,7 @@ dependencies {
   <dependency>
     <groupId>com.github.breandan</groupId>
     <artifactId>kotlingrad</artifactId>
-    <version>0.4.3</version>
+    <version>0.4.4</version>
   </dependency>
 </project>
 ```
@@ -113,7 +113,7 @@ To access Kotlin∇'s notebook support, use the following line magic:
 
 ```
 @file:Repository("https://jitpack.io")
-@file:DependsOn("com.github.breandan:kotlingrad:0.4.3")
+@file:DependsOn("com.github.breandan:kotlingrad:0.4.4")
 ```
 
 For more information, explore the [tutorial](samples/notebooks/hello_kotlingrad.ipynb).
@@ -920,7 +920,7 @@ If you would like to cite Kotlin∇, please use the following `bibtex` entry:
   author = {Considine, Breandan and Famelis, Michalis and Paull, Liam},
   title = {Kotlin$\nabla$: A Shape-Safe e{DSL} for Differentiable Programming},
   url = {https://github.com/breandan/kotlingrad},
-  version = {0.4.3},
+  version = {0.4.4},
   year = {2019},
 }
 ```

build.gradle.kts

@@ -22,7 +22,7 @@ allprojects {
   }
 
   group = "com.github.breandan"
-  version = "0.4.3"
+  version = "0.4.4"
 
   apply(plugin = "org.jetbrains.kotlin.jvm")
 
@@ -32,6 +32,12 @@ allprojects {
   }
 
   tasks {
+    compileKotlin {
+      kotlinOptions {
+        jvmTarget = VERSION_11.toString()
+      }
+    }
+
     compileTestKotlin {
       kotlinOptions {
         jvmTarget = VERSION_11.toString()

core/build.gradle.kts

@@ -1,3 +1,4 @@
+import org.gradle.api.JavaVersion.VERSION_11
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
 import org.gradle.api.tasks.testing.logging.TestLogEvent.*
@@ -42,6 +43,10 @@ dependencies {
   testImplementation("org.jetbrains.kotlin:kotlin-scripting-jsr223")
 }
 
+configure<JavaPluginConvention> {
+  sourceCompatibility = VERSION_11
+}
+
 tasks {
   compileKotlin { dependsOn("genShapes") }
 

kaliningraph

@@ -7,7 +7,7 @@
    "outputs": [],
    "source": [
     "@file:Repository(\"https://jitpack.io\")\n",
-    "@file:DependsOn(\"com.github.breandan:kotlingrad:0.4.3\")"
+    "@file:DependsOn(\"com.github.breandan:kotlingrad:0.4.4\")"
    ]
   },
   {