hoon: swap ?. for ?: on +loaf and +loan
no idea how this ended up happening, but apparently it was my fault.
++ hank (most mush loaf) :: gapped hoons
++ hunk (most mush loan) :: gapped specs
++ jump ;~(pose leap:docs gap) :: gap before docs
- ++ loaf ?.(tol wide tall) :: hoon
- ++ loan ?.(tol wyde till) :: spec
+ ++ loaf ?:(tol tall wide) :: hoon
+ ++ loan ?:(tol till wyde) :: spec
++ lore (sear |=(=hoon ~(flay ap hoon)) loaf) :: skin
++ lomp ;~(plug sym (punt ;~(pfix tis wyde))) :: typeable name
++ mash ?:(tol gap ;~(plug com ace)) :: list separator
