setup.py: add "bumpversion" and "release" commands
setup.py: add "bumpversion" and "release" commands

Tendrl/node-agent,Tendrl/node_agent,r0h4n/node-agent,r0h4n/node-agent,Tendrl/node_agent,Tendrl/node-agent,Tendrl/node-agent,r0h4n/node-agent