def __init__(self, hostname, username, password, use_ssl=True):
"""
Represents a device running EOS.
The object will contain the following interesting attributes:
* **running_config** - The configuration retrieved from the device using the method load_running_config
* **candidate_config** - The configuration we desire for the device. Can be populated using the method load_candidate_config
:param hostname: IP or FQDN of the device you want to connect to
:param username: Username
:param password: Password
:param use_ssl: If set you True we will connect to the eAPI using https, otherwise http will be used
"""
self.hostname = hostname
self.username = username
self.device = None
self.password = password
self.use_ssl = use_ssl
self.running_config = EOSConf('running')
self.candidate_config = EOSConf('candidate')
self.original_config = None
