code: function processProto(protoFile, root, imported = []) {
      const protPath = path.format({
          dir: root,
          base: protoFile
      });
      const parser = new ProtoBuf.DotProto.Parser(fs.readFileSync(protPath));
      const protoAst = parser.parse();
  
      imported.push(protoFile);
      protoAst.imports.forEach(file => {
          if (imported.indexOf(file) === -1) {
              processProto(file, root, imported);
          }
      });
  
      return Namespace.getNamespace(protoAst.package).update(protoAst);
  }
docs: Parses protofile recursively, resolving all imports
  
  To create Nampespace that can be used for generation
  
  @param protoFile
  @returns {Namespace}