Convert Pester tests to ASCII

Instead of UTF-8 with BOM.

Resolves #417.

test/powershell/Set-PSDebug.Tests.ps1

@@ -1,4 +1,4 @@
-Describe "Set-PSDebug" {
+Describe "Set-PSDebug" {
     # Because it is running through pester, no functions need to be called.  Pester should provide plenty
     # of output.
     It "Should be able to be called without error" {