Fix stop button not killing all child processes

console-runner creates a process group, so we have to use the --group
option on conrun-kill to ensure that all child processes are ended.

Fixes #103

Author: dlech

CHANGELOG.md

@@ -7,6 +7,7 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 ### Changed
 - Initial debug configuration has new example to run current file
 ### Fixed
+- Stop button does not kill all child processes
 - Activate extension on command palette command
 ### Added
 - ev3dev remote debugger is now a default debugger for Python files

src/extension.ts

@@ -308,7 +308,7 @@ async function handleCustomDebugEvent(event: vscode.DebugSessionCustomEvent): Pr
             debugRestarting = event.body.restart;
             device = ev3devBrowserProvider.getDeviceSync();
             if (activeDebugSessions.has(event.session.id) && device && device.isConnected) {
-                device.exec('conrun-kill --signal=SIGKILL');
+                device.exec('conrun-kill --signal=SIGKILL --group');
             }
             // update remote file browser in case program created new files
             refresh();