castDateString          Format a date string as " from a SQL database
                        to a format compatible with a HTML date input
                        value.
castNumeric             Convert strings to numeric if possible,
                        otherwise remains as is.
doubleQuoteText         Add double quotes to strings.
endServer               Stop HTTP server(s) by calling
                        httpuv::stopServer() or
                        httpuv::stopAllServers().
fromInput               Prepare values collected from HTML forms to
                        save to a SQL database by calling quoteText. If
                        x is "", returns "NULL".
jsonStr                 Format data as a JSON object (like this: “x”:
                        “120” ).
paramList               Parse HTTP parameter strings.
quoteText               Add single quotes to strings, useful for
                        converting R strings into SQL formatted
                        strings.
sampleStr               Generates (pseudo)random strings of the
                        specified char length.
serveHTTP               Conveniently create HTTP server using
                        httpuv::startServer() or httpuv::runServer().
smart_options           Creates HTML option tags for each position of a
                        list of values and labels by calling
                        html5::option(), returning a string of HTML to
                        pass to a select tag through html5::select().
toInput                 Replace NA values with "", useful for passing
                        values to HTML tags.
