diff --git a/.travis.yml b/.travis.yml
index 7957a820a..a6a271e16 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: java
+dist: xenial
 jdk:
-  - oraclejdk8
-  - openjdk7
+  - oraclejdk9
+
diff --git a/README.md b/README.md
index 6346a7732..b961ecdea 100644
--- a/README.md
+++ b/README.md
@@ -178,7 +178,7 @@ ScriptCraft plugin:
    invoked the `/js` command. Again, this is a good jumping off point for
    diving into the SpigotMC API.
 
-[dl]: http://scriptcraftjs.org/download/latest
+[dl]: https://github.com/walterhiggins/ScriptCraft/releases/latest
 [api]: https://hub.spigotmc.org/javadocs/spigot/
 [ic]: http://canarymod.net/releases
 [spigotdl]: https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar
@@ -213,8 +213,6 @@ and plugins directories are optional and not part of ScriptCraft core.
 
 # Further Reading
 
-ScriptCraft has [its own website][website] with further information.
-
  * To get started using ScriptCraft to Learn JavaScript, read [The Young Person's Guide to Programming in Minecraft][yp].
  * The ScriptCraft [API documentation][api].
  * To delve deeper into creating your own minecraft mod for use by others, read [Creating a complete Minecraft Mod in JavaScript][mm].
@@ -256,7 +254,6 @@ You can find all files used to build this container in github project: [docker-s
 [yp]: docs/YoungPersonsGuideToProgrammingMinecraft.md
 [mm]: docs/Anatomy-of-a-Plugin.md
 [api]: docs/API-Reference.md
-[website]: http://scriptcraftjs.org/
 [cd]: http://coderdojo.com/
 [scr]: http://scratch.mit.edu/
 [cda]: http://cdathenry.wordpress.com/category/modderdojo/
diff --git a/docs/API-Reference.md b/docs/API-Reference.md
index 5679f154c..921429bca 100644
--- a/docs/API-Reference.md
+++ b/docs/API-Reference.md
@@ -5260,7 +5260,7 @@ main thread of execution.
 
 #### Parameters
 
- * request: The request details either a plain URL e.g. "http://scriptcraft.js/sample.json" or an object with the following properties...
+ * request: The request details either a plain URL e.g. "https://scriptcraft.js/sample.json" or an object with the following properties...
 
    - url: The URL of the request.
    - method: Should be one of the standard HTTP methods, GET, POST, PUT, DELETE (defaults to GET).
@@ -5277,7 +5277,7 @@ The following example illustrates how to use http.request to make a request to a
 ```javascript
 var jsResponse;
 var http = require('http');
-http.request('http://scriptcraftjs.org/sample.json',function(responseCode, responseBody){
+http.request('https://scriptcraftjs.org/sample.json',function(responseCode, responseBody){
   jsResponse = JSON.parse( responseBody );
 });
 ```
@@ -5306,7 +5306,7 @@ This module can only be used if the separate `sc-mqtt.jar` file is
 present in the CraftBukkit classpath. To use this module, you should
 ...
 
- 1. Download sc-mqtt.jar from <http://scriptcraftjs.org/download/extras/>
+ 1. Download sc-mqtt.jar from <https://scriptcraftjs.org/download/extras/>
  2. Save the file to the same directory where craftbukkit.jar resides.
  3. Create a new batch file (windows-only) called
     craftbukkit-sc-mqtt.bat and edit it to include the following
diff --git a/docs/YoungPersonsGuideToProgrammingMinecraft.md b/docs/YoungPersonsGuideToProgrammingMinecraft.md
index da4cf2281..cc327120a 100644
--- a/docs/YoungPersonsGuideToProgrammingMinecraft.md
+++ b/docs/YoungPersonsGuideToProgrammingMinecraft.md
@@ -1295,7 +1295,7 @@ different objects and methods available for use by ScriptCraft.
 [dlbuk2]: http://dl.bukkit.org/downloads/craftbukkit/
 [dlcm]: http://canarymod.net/releases
 [bii]: http://wiki.bukkit.org/Setting_up_a_server
-[sc-plugin]: http://scriptcraftjs.org/download/
+[sc-plugin]: https://scriptcraftjs.org/download/
 [ce]: http://www.codecademy.com/
 [mcdv]: http://www.minecraftwiki.net/wiki/Data_values
 [np]: http://notepad-plus-plus.org/
diff --git a/release-notes.md b/release-notes.md
index 13f7fde1b..4bb3d1938 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -275,7 +275,7 @@ Various bug fixes, enhanced classroom module and improved error logging on start
 Added support for communication with Arduino and other devices which
 use the [MQTT protocol][mqtt] via a new `sc-mqtt` module. This module
 requires a separate sc-mqtt.jar file downloadable from
-<http://scriptcraftjs.org/download/extras/mqtt> which must be included
+<https://scriptcraftjs.org/download/extras/mqtt> which must be included
 in the CraftBukkit classpath. If using MQTT in ScriptCraft, then
 Craftbukkit should be launched like this...
 
diff --git a/src/docs/templates/ypgpm.md b/src/docs/templates/ypgpm.md
index 3ecfc6f45..86bc043ca 100644
--- a/src/docs/templates/ypgpm.md
+++ b/src/docs/templates/ypgpm.md
@@ -1250,7 +1250,7 @@ different objects and methods available for use by ScriptCraft.
 [dlbuk2]: http://dl.bukkit.org/downloads/craftbukkit/
 [dlcm]: http://canarymod.net/releases
 [bii]: http://wiki.bukkit.org/Setting_up_a_server
-[sc-plugin]: http://scriptcraftjs.org/download/
+[sc-plugin]: https://scriptcraftjs.org/download/
 [ce]: http://www.codecademy.com/
 [mcdv]: http://www.minecraftwiki.net/wiki/Data_values
 [np]: http://notepad-plus-plus.org/
diff --git a/src/main/java/bukkit/org/scriptcraftjs/bukkit/ScriptCraftPlugin.java b/src/main/java/bukkit/org/scriptcraftjs/bukkit/ScriptCraftPlugin.java
index c9c5fa4f1..d65736910 100644
--- a/src/main/java/bukkit/org/scriptcraftjs/bukkit/ScriptCraftPlugin.java
+++ b/src/main/java/bukkit/org/scriptcraftjs/bukkit/ScriptCraftPlugin.java
@@ -27,7 +27,7 @@ public class ScriptCraftPlugin extends JavaPlugin
         ClassLoader previousClassLoader = currentThread.getContextClassLoader();
         currentThread.setContextClassLoader(getClassLoader());
         try {
-            ScriptEngineManager factory = new ScriptEngineManager();
+            ScriptEngineManager factory = new ScriptEngineManager(null);
             this.engine = factory.getEngineByName("JavaScript");
             if (this.engine == null) {
                 this.getLogger().severe(NO_JAVASCRIPT_MESSAGE);
diff --git a/src/main/js/lib/scriptcraft.js b/src/main/js/lib/scriptcraft.js
index 4e34a1d9a..98bc8b08d 100644
--- a/src/main/js/lib/scriptcraft.js
+++ b/src/main/js/lib/scriptcraft.js
@@ -575,7 +575,7 @@ function __onEnable(__engine, __plugin, __script) {
       Canary.manager().enablePlugin(pluginName);
     } else {
       __plugin.pluginLoader.disablePlugin(__plugin);
-      org.bukkit.event.HandlerList.unregisterAll(__plugin);
+      org.bukkit.event.HandlerList['unregisterAll(org.bukkit.plugin.Plugin)'](__plugin);
       server.scheduler.cancelTasks(__plugin);
       __plugin.pluginLoader.enablePlugin(__plugin);
     }
diff --git a/src/main/js/lib/task-bukkit.js b/src/main/js/lib/task-bukkit.js
index cfa880e9b..444e1422a 100644
--- a/src/main/js/lib/task-bukkit.js
+++ b/src/main/js/lib/task-bukkit.js
@@ -2,10 +2,6 @@
 /*global __plugin, module, server*/
 function bukkitSetTimeout(callback, delayInMillis) {
   var delay = Math.ceil(delayInMillis / 50);
-  var Run = Java.type('java.lang.Runnable');
-  var MyRun = Java.extend(Run, {
-    run: callback
-  });
   var task = server.scheduler[
     'runTaskLater(org.bukkit.plugin.Plugin, java.lang.Runnable ,long)'
   ](__plugin, callback, delay);
diff --git a/src/main/js/modules/drone/index.js b/src/main/js/modules/drone/index.js
index bf03745ab..369f7a696 100644
--- a/src/main/js/modules/drone/index.js
+++ b/src/main/js/modules/drone/index.js
@@ -345,11 +345,21 @@ function makeTypeIdAndDataSetter() {
       block.setTypeIdAndData(typeId, data, applyPhysics);
     };
   } else {
-    console.log('Drone using CraftEvil.setTypeIdAndData method');
-    var CraftEvil = Java.type(server.class.package.name + '.util.CraftEvil');
-    return function(block, typeId, data, applyPhysics) {
-      CraftEvil.setTypeIdAndData(block, typeId, data, applyPhysics);
-    };
+    try {
+      var CraftEvil = Java.type(server.class.package.name + '.util.CraftEvil');
+      console.log('Drone using CraftEvil.setTypeIdAndData method');
+      return function(block, typeId, data, applyPhysics) {
+        CraftEvil.setTypeIdAndData(block, typeId, data, applyPhysics);
+      };
+    } catch (e) {
+      console.log(
+        'Drone support is experimental on 1.15.2 and above, and may be broken...'
+      );
+      return function(block, typeId, data, applyPhysics) {
+        block.setBlockData(data, applyPhysics);
+        block.setType(typeId);
+      };
+    }
   }
 }
 
diff --git a/src/main/js/modules/http/request.js b/src/main/js/modules/http/request.js
index 913d1dc8c..687b7b3d2 100644
--- a/src/main/js/modules/http/request.js
+++ b/src/main/js/modules/http/request.js
@@ -14,7 +14,7 @@ main thread of execution.
 
 #### Parameters
 
- * request: The request details either a plain URL e.g. "http://scriptcraft.js/sample.json" or an object with the following properties...
+ * request: The request details either a plain URL e.g. "https://scriptcraft.js/sample.json" or an object with the following properties...
 
    - url: The URL of the request.
    - method: Should be one of the standard HTTP methods, GET, POST, PUT, DELETE (defaults to GET).
@@ -31,7 +31,7 @@ The following example illustrates how to use http.request to make a request to a
 ```javascript
 var jsResponse;
 var http = require('http');
-http.request('http://scriptcraftjs.org/sample.json',function(responseCode, responseBody){
+http.request('https://scriptcraftjs.org/sample.json',function(responseCode, responseBody){
   jsResponse = JSON.parse( responseBody );
 });
 ```
@@ -80,9 +80,7 @@ function invokeNow(fn) {
 }
 function invokeLater(fn) {
   if (__plugin.bukkit) {
-    server.scheduler[
-      'runTaskAsynchronously​(org.bukkit.plugin.Plugin, java.lang.Runnable)'
-    ](__plugin, fn);
+    server.scheduler['runTaskAsynchronously(org.bukkit.plugin.Plugin, java.lang.Runnable)'](__plugin, fn);
     return;
   }
   if (__plugin.canary) {
diff --git a/src/main/js/modules/sc-mqtt.js b/src/main/js/modules/sc-mqtt.js
index 878461aaf..f7fca842c 100644
--- a/src/main/js/modules/sc-mqtt.js
+++ b/src/main/js/modules/sc-mqtt.js
@@ -11,7 +11,7 @@ This module can only be used if the separate `sc-mqtt.jar` file is
 present in the CraftBukkit classpath. To use this module, you should
 ...
 
- 1. Download sc-mqtt.jar from <http://scriptcraftjs.org/download/extras/>
+ 1. Download sc-mqtt.jar from <https://scriptcraftjs.org/download/extras/>
  2. Save the file to the same directory where craftbukkit.jar resides.
  3. Create a new batch file (windows-only) called
     craftbukkit-sc-mqtt.bat and edit it to include the following