Update Redis.swift

Merge pull request #11 from scuml/SSL

Adds connectWithSSL parameter

Merge pull request #10 from scuml/SSL

SSL Fix

Merge pull request #7 from scuml/SSL

SSP Patch 2

Merge pull request #4 from scuml/username-auth

Adds AUTH by username and redis.disconnect()

Slight speedup in findCrlf

Update RedisResp.swift

Merge pull request #3 from scuml/optimizations

Optimizations

Merge pull request #2 from scuml/sorted-set-floats

Adds double support sortedsets.  Adds withscores to ZRANGE

Support Swift 5 (Kitura#73)