trackable 2.0.0

Marker interfaces for trackable events and errors.

2.0.0

• Breaking: TrackingId has new format - V4 UUID without hyphens. (SEQ compliant).
• Breaking: TrackableError has new toString() format.
• Add EmptyTrackableError class for cases when no error details are available.

1.1.0

• Update dependencies
• TrackableError toString override

1.0.1

• Add LICENSE file
• Update SDK constraints

1.0.0

• Initial version.