Added opcodes for DISPATCH, ENVELOPE_REPLY, ENVELOPE_RECEIVER, ENVELOPE_SENDER, ENVELOPE_MESSAGE instructions Disabled opcodes for MESSAGE_ID, MESSAGE_ARITY, and MESSAGE_ARG instructions.
Added opcodes for DISPATCH, ENVELOPE_REPLY, ENVELOPE_RECEIVER,
ENVELOPE_SENDER, ENVELOPE_MESSAGE instructions
Disabled opcodes for MESSAGE_ID, MESSAGE_ARITY, and MESSAGE_ARG
instructions.

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