src/indexeddb.js
function (nodes) {
    for (var i in nodes) {
      this.changesQueued[i] = nodes[i] || false;
    }
    this.maybeFlush();
    return Promise.resolve();
  }
function (nodes) {
    for (var i in nodes) {
      this.changesQueued[i] = nodes[i] || false;
    }
    this.maybeFlush();
    return Promise.resolve();
  }
TODO: Document