Roughing in vmin/vtime. Transferring data between threads. Still not functional.
Skeleton Listen Thread added.
Not Functional. Getting an arrangement of calls and threads that I like.
Adding temporary documentation (not intended to be pulled into main branch)
Revert "Change num to n. num is number of transmit+receive bytes used to compute timeout. n is the number of bytes we expect to receive."
CIV Echo On/Off fix from Dave.