readme

required js version:
    Array.prototype.filter: IE9
    Array.prototype.every: IE9
    unprefixed flexbox: IE11
    trim: IE9
    promise.all - edge
    subtle - edge
    arraybuffer.slice - ie11

todo:
    allow indexing in google
        - this has to be in encrypted part of file??

coding notes
    stylus:
        we start file & { .. } to create "file" scope
        naming conventions
            GLOBAL_VARIABLES
            $local_variables
            $_local_variables_in_main_module

google:
    we have to ask for user id, we don't use it, but we have to ask, sorry

security:
    https://tonyarcieri.com/whats-wrong-with-webcrypto

    Common vulnerabilities:
        <https://www.w3.org/TR/html/introduction.html#writing-secure-applications-with-html>
        Not validating user input
        Cross-site scripting (XSS)
        SQL injection
            - not vulerable
                - not using innerHtml
                - not using url parameters

        Cross-site request forgery (CSRF)
            - not using form submission, get or post parameter

        Clickjacking
            FIXME!!