v1.13.0

Features

• Add an IsKnown method on the config to be able to know if some key has been declared

v1.11.0

• Revert Makes AllKeys and AllSettings return set-but-empty keys. from release 1.11.0
• Adding a AllSettingsWithoutDefault method to get all settings but the defaults

v1.10.0

• Makes AllKeys and AllSettings return set-but-empty keys.
• Adds Unset method.

v1.9.0

This release adds support for building on AIX (#15)

v1.8.0

This release adds:

• Support for multiple environment variables (#14)
• Support for altering the value of an env. var. via SetEnvKeyTransformer before it being assigned to a key (#14)

v1.7.1

fixes go modules issues