Prepared to release 0.0.5.

Update dev dependencies

Add warning for older versions of Hubot

Fix command prefix replacement

Prepared to release 0.0.4.

Fix to filter out duplicate users

Prepared to release 0.0.3.

Fix deleted aliases persistence, and blank users

Prepared to release 0.0.2.

Add remove, and list command

Update package.json keywords

Prepared to release 0.0.1.

Initial commit