message: Try to match mentions better.
diff: @@ -283,7 +283,7 @@ export class DiscordBot {
  private HandleMentions(body: string, members: Discord.GuildMember[]): string {
  for (const member of members) {
  - body = body.replace(new RegExp(escapeStringRegexp(member.displayName), "g"), `<@!${member.id}>`);
  + body = body.replace(new RegExp(`(^| |\\t)${escapeStringRegexp(member.displayName)}` , "mg"), ` <@!${member.id}>`);
  }
  return body;
  }
  