better handling of broken TCP connections
Add a quicker addQ for known-valid datasets

Also inlines several calls, & passes in known loop-invariants
maxIndex does not call random unless needed

Only if the final answer has ties do we call Random.
Fix bug using iterativeCM flag.  Fix spelling threshold
Cache trees during RF scoring
Make package available the DataAdapter.Col class

Also add a "any invalid rows" test for a whole Col.
Peel out the no-bad-rows flavor of filter.

Not entirely peeled out, but lots of it.
Hopefully for making faster splits.
Fix BuildVersion.java for windows
Fix merge issues for renamed fields
Load bytes unsigned
Allow int cols with 255 and no-missing-elements to be byte cols