get 'zzzz' error back fix f79600264dcb97b641ca70974829dde39bacce0a

Signed-off-by: Oleg Verych <olecom@gmail.com>
move transported file matching RE to top

Signed-off-by: Oleg Verych <olecom@gmail.com>
rename '/download/' to '/dnload/'; comment cleaup

Signed-off-by: Oleg Verych <olecom@gmail.com>
test `api.lftp.on()`: get back only '*suprolftpd*' files

when using this test there can be many other files waiting to be
transferred; to do not break this send queue get only this module's files

Signed-off-by: Oleg Verych <olecom@gmail.com>
handling GLOB: swap upload and download; get all channels and one otherwise

Signed-off-by: Oleg Verych <olecom@gmail.com>
test `api.lftp.on()`: handle GLOB by swapping upload and download

Signed-off-by: Oleg Verych <olecom@gmail.com>
api.lftp.on: final callback is mandatory to unlink recv files in transport dirs

Signed-off-by: Oleg Verych <olecom@gmail.com>