Fixed: [ Issue 22 ] Add support for "syntax" element
https://code.google.com/p/protobuf-dt/issues/detail?id=22

Fixed: [ Issue 23 ] Add support for optional semicolon for message elements
https://code.google.com/p/protobuf-dt/issues/detail?id=23

In progress: [ Issue 24 ] Fix qualified names
https://code.google.com/p/protobuf-dt/issues/detail?id=24