talk-to-redis - in its language

trying out the new 1.0-M1 release of akka http / stream

start redis
sbt "run localhost 6379"
talk to redis in its protocol (blank spaces will be replaced with CRLF)

PING // +PONG

*3 $3 SET $3 key $5 value // +OK

*2 $3 GET $3 key // $5\r\nvalue