Merge pull request #171 from JLLeitschuh/fix/daemon_thread

Make threads daemon threads

src/main/java/dan200/computercraft/core/apis/HTTPRequest.java

@@ -231,7 +231,7 @@ public void run()
                 }
             }
         } );
-        
+        thread.setDaemon(true);
         thread.start();
     }
     

src/main/java/dan200/computercraft/core/computer/ComputerThread.java

@@ -113,6 +113,7 @@ public void run() {
                                 } );
                                 
                                 // Run the task
+                                worker.setDaemon(true);
                                 worker.start();
                                 worker.join( 7000 );
                                 
@@ -173,7 +174,8 @@ public void run() {
                     }
                 }
             }, "Computer Dispatch Thread" );
-                
+
+            m_thread.setDaemon(true);
             m_thread.start();
             m_running = true;
         }