Changelog
291f7df Fix printSecret bug when input contains fmt verb
b60ff8f Allow using AWS_PROFILE env variable in combination with ~/.aws/config
3fbd8ba Use the shared config region when region is not set by command line flag.
8890770 Update readme to include information on using credentials/config file and environment variables
27853d4 Migrate hmac to []byte and handle transition
d55ce9a Prepare for 1.7.0 release