[GENERAL SETTINGS]
auto_size=>		When auto_size is enabled, it will do a quick test (of file sizes specified by initial_kbytes). The initial test will help it to decide an appropriate file size to download for the real test.
[UPLOAD SETTINGS]
max_kbytes=>		Maximum number of bytes for upload test
skip_upload=>		Disable the upload test
default_kbytes=>		Number of bytes to upload if not using auto_size
initial_kbytes=>		Initial number of kbytes to upload if using auto_size
[DOWNLOAD SETTINGS]
max_kbytes=>		Maximum number of kbytes for download test
default_kbytes=>		Number of kbytes to download if not using auto_size
initial_kbytes=>		Initial number of kbytes to download if using auto_size