Major improvements

Pretty significant changes since 1.1.0 with a significant code refactoring, adding unit tests, new features and tons of bug fixes.

• console command now can use ENV vars via --use-env #41
• Fix bugs in console with invalid CLI parsing
• Tag keys and values are now separate choices #49
• Auto-complete options are now sorted
• Started writing some unit tests
• Do SSO authentication after role selection to improve performance
  even when we have cached creds
• Add support for AWS_SSO_PROFILE env var and ProfileFormat in config #48
• Auto-detect when local cache it out of date and refresh #59
• Add support for cache command to force refresh AWS SSO data
• Add support for renew command to refresh AWS credentials in a shell #63
• Rename --refresh flag to be --sts-refresh
• Remove --force-refresh flag from list command
• Add role metadata when selecting roles #66