Fix #21

src/services/ChildProcess.ts

@@ -6,15 +6,24 @@ export class ChildProcess {
     static async spawnAsync(executable: string, args: string[]): Promise<void> {
         return new Promise<void>((resolve, reject) => {
            
+           let output: string = '';
            let handle = child_process.spawn(executable, args);
            
+           handle.stdout.on('data', (data: string) => {
+               output += data;
+           });
+           
+           handle.stderr.on('data', (data: string) => {
+               output += data;
+           });
+           
            handle.on('close', (code: string) => {
                if (code == '0') {
                    resolve();
                }
                
                else {
-                   reject(code);
+                   reject({ code: code, message: output });
                }
            });