Add update command.
Merge branch 'develop' into feature-update

Conflicts:
	main.go
Merge branch 'develop' into feature-update

Conflicts:
	main.go

Signed-off-by: Adam Jimerson <vendion@gmail.com>
Merge branch 'develop' into feature-update
Add the ability to update a host record.
Merge branch 'feature-update' into develop