entropy_estimators: wrote a bunch more mixed estimators, TC estimators, fixes
entropy_estimators: wrote a bunch more mixed estimators, TC estimators, fixes

Testing Done: used with Venture for TC(X) and TC(X;Y) calculations
Signed-off-by: Eli Sennesh <a56982760f4721c0c417164db647c733bdc66a7b@gmail.com>

gregversteeg/NPEET