Support for IE8+ in `Logger.useDefaults()`, Fixes #4
Support for IE8+ in `Logger.useDefaults()`, Fixes #4

BenjaminVadant/js-logger,jonnyreeves/js-logger,BenjaminVadant/js-logger,jonnyreeves/js-logger,jaybo/js-logger,jonnyreeves/js-logger,jonnyreeves/js-logger,jaybo/js-logger,pjsb/js-logger,pjsb/js-logger