title: azure-devops-node-api - getPersonalAccessTokenHandler(tokenHandler) not working
body: <p>having node v8.15 and Typescript of 3.4.3. Installed the latest version on azure-devops-node-api . imported the module to ts file .</p>
  
  <pre><code>let authHandler = azdev.getPersonalAccessTokenHandler(token); 
  </code></pre>
  
  <p>giving me error as</p>
  
  <pre><code>[SPLoaderError.loadComponentError]:
  ***Failed to load component "50c18491-a471-4da6-8936-11a40cef9265" (HelloWorldWebPart).
  Original error: ***Failed to load entry point from component "50c18491-a471-4da6-8936-11a40cef9265" (HelloWorldWebPart).
  Original error: Error loading https://component-id.invalid/50c18491-a471-4da6-8936-11a40cef9265_0.0.1
  Cannot find module "net"
  
  ***INNERERROR:
  ***Failed to load entry point from component "50c18491-a471-4da6-8936-11a40cef9265" (HelloWorldWebPart).
  Original error: Error loading https://component-id.invalid/50c18491-a471-4da6-8936-11a40cef9265_0.0.1
  Cannot find module "net"
  ***CALLSTACK:
  Error
  at SPLoaderError.SPError [as constructor] (https://localhost:4321/temp/workbench-packages/@microsoft_sp-loader/dist/sp-loader-assembly_default.js:8390:24)
  at new SPLoaderError (https://localhost:4321/temp/workbench-packages/@microsoft_sp-loader/dist/sp-loader-assembly_default.js:4036:28)
  at Function.ErrorBuilder.buildErrorWithVerboseLog (https://localhost:4321/temp/workbench-packages/@microsoft_sp-loader/dist/sp-loader-assembly_default.js:3789:21)
  at Function.ErrorBuilder.buildLoadComponentError (https://localhost:4321/temp/workbench-packages/@microsoft_sp-loader/dist/sp-loader-assembly_default.js:3697:21)
  at https://localhost:4321/temp/workbench-packages/@microsoft_sp-loader/dist/sp-loader-assembly_default.js:6275:47
  </code></pre>