v0.3.0

• Got Gulp Switched with sey, made by Eser Özvataf. This way, assets building will be easier.
• All dependencies' versions updated.
• Minor code optimisations.
• All configuration values are now fetched from environment vars. Check .env.example file and find all variables prefixed with WTT_.
• A new trait added for random methods, so it will run out of the box also with Postgres etc.