Merge pull request #8 from DanilaFe/fix-restart-server

Unset the error handler before stopping the language server.

src/ChapelLanguageClient.ts

@@ -314,6 +314,7 @@ export abstract class ChapelLanguageClient {
   stop(): Promise<void> {
     return new Promise((resolve, reject) => {
       if (this.client && this.state === LanguageClientState.RUNNING) {
+        this.client.errorHandler = () => {};
         this.client.stop().catch(reject);
         this.client.dispose();
         this.client = undefined;