abstraction layer for multivendor network automation - IOS-XR support

 NAPALM (Network Automation and Programmability Abstraction Layer with
 Multivendor support) is a Python library that implements a set of
 functions to interact with different router vendor devices using a
 unified API.
 .
 NAPALM supports several methods to connect to the devices, to
 manipulate configurations or to retrieve data.
 .
 This module provides support for Cisco IOS-XR-based devices.