code: function expandFiles(files, basePath) {
      var expandedFiles = [];
      files = files ? _.isArray(files) ? files : [files] : [];
  
      _.forEach(files, function(fileName) {
          expandedFiles = _.union(
              expandedFiles,
              glob.sync(path.join(basePath, fileName), { dot: true, nodir: true })
          );
      });
  
      return expandedFiles;
  }
docs: Prepend all given files with the provided basepath and expand all wildcards
  @param files the files to expand
  @param basePath the basepath from which the files should be expanded
  @returns {Array} list of expanded files