options.mime can be either an {} = on file specific basis (like before), or a sting in which case it will be applied to everything in 'files'
options.mime can be either an {} = on file specific basis (like before), or a sting in which case it will be applied to everything in 'files'
Override any of the following options on the objects in the 'files' array:

   * bucket (string)
   * access (string)
   * gzip (bool)
   * gzipExclude (array)
   * mime (string | obj)
   * params (obj:whitelisted)