wrap all commands in try/catch block

src/commands/ping.ts

@@ -11,8 +11,12 @@ export default class Ping extends Command {
   }
 
   public async run(message: Message) {
+    try {
       const clientStart: number = Date.now();
       const msg: Message = await message.channel.createMessage('🏓 Pong!');
       msg.edit(`🏓 Pong!\nClient: \`${Date.now() - clientStart}ms\`\nResponse: \`${msg.createdAt - message.createdAt}ms\``);
+    } catch (err) {
+      this.client.util.handleError(err, message, this);
+    }
   }
 }

src/commands/whois.ts

@@ -16,6 +16,7 @@ export default class Whois extends Command {
   }
 
   public async run(message: Message, args: string[]) {
+    try {
       let member: Member;
       if (!args[0]) member = message.member;
       else {
@@ -88,6 +89,9 @@ export default class Whois extends Command {
       embed.setFooter(this.client.user.username, this.client.user.avatarURL);
       embed.setTimestamp();
       return message.channel.createMessage({ embed });
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
   }
 
   public resolveStaffInformation(id: string) {