GetHashCode Defect Fix Plus Ignore Order Performance Improvement

Defect Fixes:

• Fix for negative number formatting in User Friendly report: https://github.com/GregFinzer/Compare-Net-Objects/issues/166

• Fix for GetHashCode treating objects as equal. Fixes these issues:
  https://github.com/GregFinzer/Compare-Net-Objects/issues/169
  https://github.com/GregFinzer/Compare-Net-Objects/issues/157
  https://github.com/GregFinzer/Compare-Net-Objects/issues/149
  https://github.com/GregFinzer/Compare-Net-Objects/issues/122
  https://github.com/GregFinzer/Compare-Net-Objects/issues/113
  https://github.com/GregFinzer/Compare-Net-Objects/issues/34

New Features:

• Add ElapsedMilliseconds to .NET Standard Build
• Performance improvements to unordered enumerable collections by @jsobell