* Added -Top/-Bottom params to Sort-Object for Top/Bottom N sorts; added many Pester tests
* updated changelog
* updated CHANGELOG.md
* replaced Get-Service with Get-Alias in Pester tests
* improved performance for -unique -top/-bottom, changed according to PR feedback
* added newlines to end of two files
* Removed whitespace changes
* Missed 2 whitespace changes to undo in last commit
* Updated to try to resolve merge issue
* change heapify return type, cleaned up test code
* unique top/bottom N sorts are now 2-3 times faster
* code cleanup (removed unused vars, simplified logic)
This restructuring moves tests to a directory name which matches the module
in which the cmdlet resides which should improve the discoverability of a
specific test.
For tests which are not about cmdlets in a module, new directories have been
created to make those tests easier to find as well
Jason Shirk