core&ui&judge: bug fixes and improvements

packages/ui-default/api.ts

@@ -10,6 +10,7 @@ export { default as Socket } from './components/socket/index';
 export { default as uploadFiles } from './components/upload';
 export * as redux from 'react-redux';
 export * from './components/zipDownloader';
+export * from '@hydrooj/utils/lib/common';
 export { default as download } from './components/zipDownloader';
 export { default as $ } from 'jquery';
 export { default as _ } from 'lodash';

packages/ui-default/backendlib/template.js

@@ -137,6 +137,7 @@ env.addGlobal('eval', eval);
 env.addGlobal('Date', Date);
 env.addGlobal('Object', Object);
 env.addGlobal('String', String);
+env.addGlobal('Array', Array);
 env.addGlobal('Math', Math);
 env.addGlobal('process', process);
 env.addGlobal('global', global);