message: Load unique history items. Fixes
diff: @@ -2,6 +2,7 @@ import {readFileSync, statSync} from "fs";
  import {flatten, orderBy} from "lodash";
  import {loginShell} from "../utils/Shell";
  import {historyFilePath} from "../utils/Common";
  +import * as _ from "lodash";
  const readHistoryFileData = () => {
  try {
  @@ -79,7 +80,7 @@ export class History {
  }
  static deserialize(): void {
  - this.storage = flatten(orderBy([loginShell.loadHistory(), readHistoryFileData()], history => history.lastModified, "desc").map(history => history.commands));
  + this.storage = _.uniq(flatten(orderBy([loginShell.loadHistory(), readHistoryFileData()], history => history.lastModified, "desc").map(history => history.commands)));
  }
  private static remove(entry: string): void {
  