v1.3.0: Add support for more consul params. (#10)

New parameters:

• dc - to select a DC
• allow-stale - to allow stale data at the agent
• require-consistent - to require consistency from the agent

1.3.0

New parameters:

• dc - to select a DC
• allow-stale - to allow stale data at the agent
• require-consistent - to require consistency from the agent

1.2.0

Add some backoff time between attempts of grabbing service.

Features and fixes

• Token support
• Fix panic
• Fix log formatting

Stable. Stable API

v1.0.0

Update README.md