plt-racket 6.0.1

Closes #29130.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Elixir 0.13.2

Closes #29125.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
h2 1.3.176

Closes #29127.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
ircii 20131230

Closes #29124.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>