fget: Let curl follow 30x http redirects

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Remove unused 'use' statements and comments

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Correct help and make it somewhat BNFish

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Use global downloader (and verify it exists)

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Don't allow cookies at all

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Update user agent

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: 'Optimize' working hash initialization

The loop was braindead...

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>
fget: Add '-p' for automated download of preferred stream

Signed-off-by: Thomas Egerer <hakke[underscore]double-oh-seven[at]gmx.de>