Problem: does not default test value for chunks/frames
Problem: does not default test value for chunks/frames

Solution: add defaulting; the code is rather ugly, needs some cleanup.

vyskocilm/zproto,jemc/zproto,jdiez17/zproto,hintjens/zproto,asokoloski/zproto,sphaero/zproto,zeromq/zproto,jemc/zproto,jdiez17/zproto,sappo/zproto,hintjens/zproto,c-rack/zproto,vyskocilm/zproto,zeromq/zproto,somdoron/zproto,somdoron/zproto,c-rack/zproto,sappo/zproto,asokoloski/zproto,bkmit/zproto,sappo/zproto,bkmit/zproto,asokoloski/zproto,hintjens/zproto,bkmit/zproto,somdoron/zproto,jemc/zproto,bkmit/zproto,jdiez17/zproto,bkmit/zproto,somdoron/zproto,jemc/zproto,jdiez17/zproto,jdiez17/zproto,zeromq/zproto,somdoron/zproto,sappo/zproto,hintjens/zproto,sphaero/zproto,jemc/zproto,zeromq/zproto,jdiez17/zproto,hintjens/zproto,bkmit/zproto,c-rack/zproto,sappo/zproto,vyskocilm/zproto,vyskocilm/zproto,zeromq/zproto,bkmit/zproto,vyskocilm/zproto,jemc/zproto,zeromq/zproto,vyskocilm/zproto,sphaero/zproto,c-rack/zproto,c-rack/zproto,asokoloski/zproto,asokoloski/zproto,asokoloski/zproto,sphaero/zproto,jdiez17/zproto,vyskocilm/zproto,c-rack/zproto,sappo/zproto,zeromq/zproto,hintjens/zproto,sappo/zproto,somdoron/zproto,asokoloski/zproto,jemc/zproto,sphaero/zproto,somdoron/zproto,hintjens/zproto,sphaero/zproto,c-rack/zproto