TODO

Next Release:
    ☐ add line number in `original`
    ☐ keep no more than a single blank line at a time
    ✔ add kernel.js to the kernelspec and move shortcuts code there @done(19-01-30 20:00)
    ✔ fix install locations for codemirror @done(19-01-30 19:59)
    ☐ add kernel uninstall
    ☐ add actual M2 version to banner @started(19-01-30 21:18)
    ☐ improve client-side syntax indentation
    ✔ fix parsing input lines that are longer than 80 (printWidth) chars @done(19-01-30 10:51)

Testing:
    ✔ macOS @done(19-01-30 20:22)
    ✔ Linux x64_86 @done(19-01-30 20:22)
    ☐ Linux armv7/8 @started(19-01-30 21:19)
    ✔ Docker x64_86 @done(19-02-01 10:28)
    ☐ write unit tests
    ☐ better testing on travis-ci

Remote Server:
    ✔ write a docker file for M2JK + Jupyter Notebook + M2 @started(19-01-30 20:23) @done(19-02-01 10:28) @lasted(1d14h5m13s)
    ✔ try it on AWS or DO @done(19-02-01 10:28)
    ☐ wiki docs

Client-side JavaScript and CSS:
    ☐ add ^C trigger
        making this work in the REPL would take a litte work
    ☐ add an emacs-like colors theme
    ☐ may be look into https://github.com/marks1024/language-macaulay2