Created by IntelliJ IDEA.
 User: Ian Harvey
 Date: 11/04/2012
 Time: 11:59
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 This Tool creates a zip file called output.zip in the current runtime folder.
 The zip contains any files/ folders listed within the parameter panel, and
 also any files passed in at runtime.
 
 Files can be passed in as File objects or as string paths.
 If a directory is added, it is recursed.
 Folders are searched at runtime, not at the time they are added
 If the zip file already exists, the next integer is appended to the filename eg output9.zip.