* This file in shared package handles the global configuration coming from yaml files.

* Package flags implements the logic necessary to control the commands to the service * and its options, with the possibility of overriding explicitly the options set in * the configuration files.

Package logger provides a very basic interface to logging throughout the project.

* This file in shared package handles the conversion to and from bytes * of the qpep header, used to instantiate new outer connections through * the quic connections.

RunCommand method abstracts the execution of a system command and returns the combined stdout,stderr streams and an error if there was any issue with the command executed.