history_request: History Request Handler
Description
Handler for the history_request Message Type
Usage
history_request(request_msg)
Arguments
request_msg
A list passed in from doRequest representing the
deserialized history_request message JSON.
Value
A list having names msg_type and content. The
msg_type is history_reply, which corresponds
to the history_request message. The content field
complies with the Jupyter wire message protocol specification
for history_reply messages.