Currently there is a fixed set of cim namespaces supported by the CIMXML library:

• "http://iec.ch/TC57/2013/CIM-schema-cim16#" -> CimVersion.CIM_16;
• "http://iec.ch/TC57/CIM100#" -> CimVersion.CIM_17;
• "https://cim.ucaiug.io/ns#" -> CimVersion.CIM_18;
• anything else: CimVersion.NO_CIM;

The CIMXML library should support any cim namespace and a configurable mapping of cim namespace URIs to custom CimProfile implementations besides the existing CimProfile16, CimProfile17 and CimProfile18.

The static enum CimVersion should be removed and all usages replaced by the namespace URIs.