added a hacky way to drain a queue to a file - uses "/dev/null" when throwing away the contents.
slightly nicer way to download a queue that doesn't rely on "/dev/null" being available on the filesystem.
refactored to extract actions to separate classes.
Added the ability to upload messages from a file that was generated by "download-queue"
Improved the help.
Improved the help.
Improved the help.
marked required arguments as required.
help 'improvements'
help 'improvements'