anchor.diff:  			arguments.uri = getFileFromPath( arguments.filePath );
   		}
   
  +		if ( arguments.contentType == "" ) {
  +			arguments.contentType = ( variables.autoContentType ? "auto" : "binary/octet-stream" );
  +		}
   		if ( arguments.contentType == "auto" ) {
   			arguments.contentType = getFileMimeType( arguments.filepath );
   		}
  
positive.code: 
  		return results;
  	}
  	
  	/**
  	 * Deletes an object.
  	 *
  
negative.code: 		required string accessKey,
  		required string secretKey,
  		string awsDomain           = "amazonaws.com",
  		string awsRegion           = "", // us-east-1 default for aws
  		string encryption_charset  = "UTF-8",
  		string signatureType       = "V4",
  		boolean ssl                = true,
  		string defaultTimeOut      = 300,
  		string defaultDelimiter    = "/",
  