- adds connect to a Router by a URL
- adds Transport decision by URL protocol/scheme not on Client init
- adds quick start connection details to README
- adds detailed connection details to ReadTheDocs
- adds simple Router representation for Sessions based on the given URL when a Router instance is not provided to a Client
- removes forgotten features of ``MessageHandler``
- ``MessageTypeMap`` now maps to classes instead of strings
- adds test cases for URL handling
- minor tweaks to logging, layout and Exception handling
- adds more internal docs and comments