message: parity with autopopulate
  types(src): add "Function" and "object" to "BasePropOptions.autopopulate"
  fixes typegoose/typegoose#164
diff: @@ -160,7 +160,8 @@ export interface BasePropOptions {
  /**
  * This option as only an effect when the plugin `mongoose-autopopulate` is used
  */
  - autopopulate?: boolean;
  + // tslint:disable-next-line:ban-types
  + autopopulate?: boolean | Function | { [key: string]: any; };
  /** Reference an other Document (you should use Ref<T> as Prop type) */
  ref?: any;
  /** Take the Path and try to resolve it to a Model */
  