server metadata operations and tests
Adding list secgroups
Add security group :zap:
Adding list by server operation
Adding get secgroup
Adding delete group
Add rules support
Delete rule support
Apparently there's an update too :boom:
Add/remove servers from secgroups
Adding acceptance test for secgroups :metal:
Adding common tags
Tweaking expected status codes
Forgot the fixtures
Standardising JSON indents
Adding docs
condense error check
Metadata -> Metadatum; Metadatas -> Metadata
Updates based on code review
CreateMetadata -> ResetMetadata