Implement OctaMED effect 2E

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Implement OctaMED effect 1F

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Add OctaMED SS 1.03 effect documentation

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Don't enforce octave limit for MMD3

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>