Bump message delay for splits
Bump message delay for splits

Trying to avoid hitting Slack rate limits when segmenting large
messages.

parsley42/gopherbot,parsley42/gopherbot,uva-its/gopherbot,parsley42/gopherbot,uva-its/gopherbot,uva-its/gopherbot,uva-its/gopherbot,parsley42/gopherbot