message: uuid is now 22 char base64 encoded
diff: @@ -9,14 +9,20 @@ import { now } from 'mol-util/now';
  type UUID = string & { '@type': 'uuid' }
  namespace UUID {
  + const chars: string[] = [];
  export function create(): UUID {
  let d = (+new Date()) + now();
  - const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
  - const r = (d + Math.random()*16)%16 | 0;
  - d = Math.floor(d/16);
  - return (c==='x' ? r : (r&0x3|0x8)).toString(16);
  - });
  - return uuid as any;
  + for (let i = 0; i < 16; i++) {
  + chars[i] = String.fromCharCode((d + Math.random()*0xff)%0xff | 0);
  + d = Math.floor(d/0xff);
  + }
  + return btoa(chars.join('')).substr(0, 22) as UUID;
  + // const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
  + // const r = (d + Math.random()*16)%16 | 0;
  + // d = Math.floor(d/16);
  + // return (c==='x' ? r : (r&0x3|0x8)).toString(16);
  + // });
  + // return uuid as any;
  }
  }
  