first whack at retries
Merge branch 'master' of https://github.com/nytlabs/streamtools

Conflicts:
	st/library/toEmail.go
fixed toemail retry
docs and simplify
removed fft from timeseries
mta lost and found pattern now fits in a split screen/iframe
Update README.md
Merge pull request #443 from mikedewar/442

removed fft from timeseries
Merge pull request #444 from jacqui/demos-iframes

mta lost and found pattern now fits in a split screen/iframe
adding put and post
fmt
more kinds of packing
library
Merge pull request #446 from nikhan/pack

Pack
test fix
Merge pull request #447 from nikhan/pack

fixes library_test.go
created resetClientls
Merge branch 'master' of github.com:nytlabs/streamtools
cleanup
error handling