exercises up to 1.28 complete

though I was too lazy to quote the exercises themselves

hi @manpages
done up to 1.33
up to 1.39
chapter 1 complete!
updating README for honesty
up to 2.6. church numerals are pretty.
described a faster solution for 2.5
up to 2.16. phew, 2.7-2.16 was a cool extended exercise.
up to 2.32. should I continue or go play Terraria?
renaming 2.x to 2.0x for consitency. (== procrastinating)
up to 2.37