Release 0.6.0 - Offline Mode

Updated tracker with:

• Offline-mode capabilities, Increasing stability with intermitent connection.
• AssetManager no longer uses a fork

Release 0.5.0

Updated Start() and Added Login:

- 2 public strings (Username and Password) for login on Tracker.cs
- If empty -> Anonymous user is retrieved.
- If not empty -> Login with username and password
- WARNING: If login failed, 401 unauthorized will be shown in console. Aux storage will be used instead.

Release 0.4.0

Previous start method