exA
clean up

Squashed
    indexBy and nodef
    add qunit
    test
    better docs
exA
freeform dev

Squashed commit of the following:
    sort
    split tools
    regroup
    note taking
    swivel
    renew
    cleaner array construction
    tidy and tighten
    refactor
    visualize
    split up
working keySort
make sort default undef to infinity
refactor
document
exB webstorage
exB webstorage into jquery
exB abstract todos
refact
migrate todo methods
try to doc
break
exC windowProps
exD XDM x-doc-msg