v1.8.7

Add Package Cobra :

• this package is an helper to make a CLI with flag / command
• this package is based on spf13 cobra has all method to be connected to viper golib
• See documentation cobra/README

Add Package Config :

• They are 4 component for now : log, tls, headers and http server
• The config package will start a new context / cancelfunc on init to be sure to stop cleanly all component and process
• See documentation config/README

Add Package Viper :

• this package is an helper to the config package with the spf13 viper lib
• this package can watch any change of a config file or can be connected to a remote config cluster like ETCD

Change :

• bump dependancies
• fix race detection
• fix some optimization