fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@apiclient.xyz/letterxpress',
-  version: '1.0.17',
+  version: '1.0.18',
   description: 'an unofficial API package for the letterxpress API'
 }

ts/letterxpress.classes.account.ts

@@ -97,6 +97,7 @@ export class LetterXpressAccount {
         'Content-Type': 'application/json',
       },
       requestBody: JSON.stringify(requestData),
+      keepAlive: false,
     });
     console.log(response.body);
     return response;