ErrorsAndGlitches

Security Group Id for specifying ingress/egress rules creates incorrect JSON

1

When creating an ingress/egress rule using a security group ID, this creates incorrect JSON. For example, the following: ``` EC2SecurityGroupRule{ SourceSecurityGroupIdXXSecurityGroupIngressXOnlyX: Ref(s.elbSecurityGroupLogicalName()).String(), IpProtocol: String(tcpProtocol), FromPort: Integer(httpsPort), ToPort: Integer(httpsPort), }, ```...

The `Sub` intrinsic function is missing. https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-sub.html

The `GroupName` property does not exist. It is not a problem because Cloud Formation will create one, which is arguably better since if you specify a name, you cannot perform...