2.3.0RC1

Please note the flags for cache durations have changed semantics now.

Added

• Added environment variables and config flags for all configuration mechanisms
• Added support for long-term credential console link generation

Changed

• Fixed expires output bug and added expiry hints
• Added better looking error handling
• Massive update to the README

Internal

• Removed cache and session ttl mechanism and replaced it with duration and grace
• Created new client structure with explicit generators, sources and target
• Moved logic for console out of the command and into a dedicated helper

Removed

• Removed "list" command