Add version command
Add version command

Adds a version command.

Closes https://github.com/kedgeproject/kedge/issues/80

ashetty1/kedge,surajnarwade/kedge,cdrage/kedge,cdrage/kedge,kedgeproject/kedge,ashetty1/kedge,kedgeproject/kedge,cdrage/kedge,kedgeproject/kedge,surajnarwade/kedge,surajnarwade/kedge,kadel/kedge,kadel/kedge