Igor

Too pythonic formatting for array typed columns

1

## Description The format of array types is too pythonic - includes the `u''` prefix for strings, types for datetimes/decimals, etc. Need to format all the elements of the array...

MillisBehindLatest metric across _all_ shards

21

Currently several metrics, including `MillisBehindLatest` are reported to CloudWatch with one of the dimensions being a shard id. On the other side we find it very convenient to set CloudWatch...

Make base64 as default body encoding, otherwise ancient mail sender/receiver servers can wrap overlong lines and potentially break the content of a mail - https://tools.ietf.org/html/rfc5322#section-2.1.1 The real broken links in...