Release 0.1.0 (2017-06-09)

Added

• Support for Webpack's --env option, allowing to pass custom params.

Changed

• Use Webpack's --env option instead of NODE_ENV as primary method for setting the environment.
• .getConfig() method now returns a fat arrow function which receives Webpack's --env option.
• env option now accepts an Object.
• commonEnvName option is now commonEnvId.