auth_test               Checks authentication & identity against the
                        Slack API.
call_slack_api          A wrapper function to call the Slack API with
                        authentication and pagination.
convert_response_to_tibble
                        Convert Slack API json response to tibble.
create_config_file      Create the config file used in 'slackr_setup()'
ggslackr                Post a ggplot to a Slack channel
register_onexit         Append slackr_msg as on.exit to functions.
slackr                  Output R expressions to a Slack channel/user
slackr_bot              Send result of R expressions to a Slack channel
                        via webhook API
slackr_channels         Get a data frame of Slack channels
slackr_chtrans          Translate vector of channel names to channel
                        IDs for API
slackr_csv              Send a data frame to Slack as a CSV
slackr_delete           slackr_delete
slackr_dev              Send the graphics contents of the current
                        device to a Slack channel
slackr_history          Reads history of a channel.
slackr_ims              Get a data frame of Slack IM ids
slackr_msg              Sends a message to a slack channel.
slackr_save             Save R objects to an RData file on Slack
slackr_setup            Setup environment variables for Slack API
                        access
slackr_teardown         Unset env vars created by 'slackr_setup()'
slackr_tex              Post a tex output to a Slack channel
slackr_upload           Send a file to Slack
slackr_users            Get a data frame of Slack users
warn_for_args           Check for token-parameter mismatches
with_pagination         Calls the slack API with pagination using
                        cursors.
