Issue #1. All parameters extract from Spark must be URL decoded. This solves the issue that spaces in URLs are double-encoded
Issue #2. Information on objects is placed in a table and the modification date is also shown
Issue #2. If a container is tagged with the metadata key "expire" and the value "yes", then the program will automatically set the content to expire (ie, be deleted) after the set number of seconds. A container set as such gives extra information on the delete status.