nil: the first and easiest
Integers! (We'll make this horrible before we make it better)
Terrible float implementation
Booleans!
strings.  who'd have thunk it.
Record my insights for posterity
I couldn't take it any more
Symbol support
Keywords
Lists
Make sure dreid gets a piece of my mind
Lists!
dicts
datetime support
Move responsibility for formatting separately from getting valid tokens
Failing test
TODOs & XXXs
Tagged values
Implement INST as tagged value
Another XXX