Using SetServerURI which replaced SetURI. Take path to opcua includes from prefix path.
Merge pull request #19 from mdcb-gmt/master

DateTime argument to Node::SetValue, Node::SetAttribute
Merge pull request #18 from treww/master

SetURI replaced with SetServerURI. Opcua includes take from prefix.
- split module file into smaller chunks. on-going, here the enums
- cleanup distutil
- update .gitignore