code: public static CSSUpdate readFile(final InstallFile _installFile)
      {
  
          final CSSUpdate ret = new CSSUpdate(_installFile);
          final CSSDefinition definition = ret.new CSSDefinition(_installFile);
          ret.addDefinition(definition);
          return ret;
      }
docs: Read the file.
  
  @param _installFile the install file
  @return CSSUpdate