Wrapper for common HUB API queries. Upon initialization BEarer tocken is obtained and used for all subsequent calls
Usage:
from bds_hub_api import HubInstance
username="sysadmin"
password="blackduck"
urlbase="https://ec2-34-201-23-208.compute-1.amazonaws.com"
hub = HubInstance(urlbase, username, password, insecure=True)
projects = hub.get_projects()
