message: Enable neovim capability for bang command
diff: @@ -18,6 +18,10 @@ export class BangCommand extends node.CommandBase {
  this._arguments = args;
  }
  + public neovimCapable(): boolean {
  + return true;
  + }
  +
  private getReplaceDiff(text: string): PositionDiff {
  const lines = text.split('\n');
  const numNewlines = lines.length - 1;
  