v1.13.1

• redis producer now supports LPUSH, thx @m-denton
• RowMap can now contain artbitrary attributes for embedded maxwell, thx @jkgeyti
• bugfix: fix jdbc option parsing when value contains =
• bugfix: apparently the SQS producer was disabled
• bugfix: fix a situation where adding a second client could cause
  schemas to become out of sync
• support for --daemon