Fixes to transmitted multidimensional values from ethernet.

(cherry picked from commit ea91dfb0daf828b21418060fa4a22fa7eebe217e)
[Bugfix] SDPReceiveVertex reserved too little space for output keys.

(cherry picked from commit a3d7ddb62bb446f3eef9abef78c467d7d2c9da54)
Fix recursive bug in totuple.  Not sure how it got there.

(cherry picked from commit ae1f7beb5188eaf09fc3f7efc1061a15a12aecf2)