message: reverted the changes made to prompt
diff: @@ -4,7 +4,7 @@ import {CompleteCommand} from "./Parser";
  import {Session} from "./Session";
  export class Prompt extends events.EventEmitter {
  -
  + private _value = "";
  private _expandedAst: CompleteCommand;
  constructor(private session: Session) {
  @@ -12,11 +12,11 @@ export class Prompt extends events.EventEmitter {
  }
  get value(): string {
  - return this.value;
  + return this._value;
  }
  - set value(value: string) {
  - this.value = value;
  + setValue(value: string): void {
  + this._value = value;
  const tokens = scan(this.value);
  this._expandedAst = new CompleteCommand(expandAliases(tokens, this.session.aliases));
  