Changed usage of RET instructions to not supply operand for return count. Changed compilation logic of return statements to be expressions - further, changed logic here such that only single value returns are supported.
Changed usage of RET instructions to not supply operand for return
count.
Changed compilation logic of return statements to be expressions -
further, changed logic here such that only single value returns are
supported.

Signed-off-by: Jakob Brandsborg Ehmsen <387ed33cc9ebf98b733caa2520baacd616b28aa5@gmail.com>
jakobehmsen/duro