Fix ini output to match credentials file

Prioritise source_profile over sso config

Check session identity when creds are static

Merge pull request #1190 from tavisrudd/add-removal-notice-for-pass-p…

…rompt-driver

Add explicit removal notice + instructions for --prompt=pass

Merge pull request #1189 from 99designs/fix-pointer-ref

Remove reference to pointer

Add typical use-cases to USAGE

Merge pull request #1183 from 99designs/preference-stored-creds

Preference stored credentials over other credential sources

Elevate stored credentials above source_profile

Remove config validtion. Debug logs show which credential source is used

Merge pull request #1178 from lstoll/lstoll-fix-validation

Web identity profiles with role ARNs are valid