From b4778ae99e52c2ecf3554396ae940ba0ad8891b9 Mon Sep 17 00:00:00 2001
From: David Wright <dcwuser@live.com>
Date: Sun, 9 Aug 2020 01:32:26 -0700
Subject: [PATCH] Dev/working (#61)

* Improve special function performance and increase resiliance, especially to NaNs. Improve Poisson and Beta random deviate performance.

* UInt128, Int128 working. DoubleDouble improved. Complete Elliptic Inegral of 3rd kind. Improved Gamma speed and accuracy using series aound 1 and 2. Explicit ScaledModifiedBessel and SphericalBessel.

* Mostly tests and documentation. RegressionResult layer.

* Add tests, remove unused code, add increment and decriment operators to Int128 and UInt128.

* Int128 % and cast from double. Documentation improvements.