(mostly small doc and comment changes)
(added a note)
working on the scheduling offset logic
TEST: this works, but i think i'm going to simplify it
TEST: contains some notes, for future reference
TEST: more notes (and updated)

will fix everything when i'm not so tired :)
TEST: going to remove some notes and clean `...send_unicode...()` up
finished implementing `...send_unicode_sequence()`

(for now, as always - :) )