Download a file

Context  
        User wants to download a file
   URL
          https://api.intelligencebank.com/webapp/1.0/resources
   Method
        GET
   Parameters
        p10: {client api key}
        p20: {user uuid}
        fileuuid: {file uuid}}
        OPTIONAL: version: {version number}
        OPTIONAL: ext: {type of extension to download the file as}
        OPTIONAL: size: {percentage of original file (25, 50, 75, 100) }
        OPTIONAL: cropwidth: {cropped output width}
        OPTIONAL: cropheight: {cropped output height}
        OPTIONAL: cropx: {x coordinate to start the crop}
        OPTIONAL: cropy: {y coordinate to start the crop}
        OPTIONAL: compression: {compression quality (1-100) }
        OPTIONAL: compressiontype: {type of compression (see Note 4) }

   Header:
        _aid: <session id>

   Response
        200 : OK
        401 : Access denied
        404 : File not found
        500 : Internal server error

   Actions
        Process the streamed file
        
   Notes:

1. If the version number is provided then that version's file will be downloaded. If the provided version number is not found then a 'not found' response will be provided
2. If no version parameter is provided then the latest or current file version is downloaded. 
3. If cropping an image, the following 4 parameters must be specified: cropwidth, cropheight, cropx and cropy
4. Types of compression:

• 1 = No compression
• 2 = BZIP2 (Lossless Compression)
• 8 = JPEG (Lossy Compression)'
• 10 = JPEG (Lossless Compression)
• 11 = LZW (Lemple-Zif-Welch) (Lossless Compression)
• 12 = Run-Length Encoding (Lossless Compression)
• 13 = ZIP (Lossless Compression)