fix drop and create command for connections with master slave configurat...

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #144
| License       | MIT

Fix #144 problem with master and slave configuration
Fix create command problem with connection name that does not exist