Various updates to scripts

scripts/build.ps1

@@ -1,6 +1,6 @@
-if ($PSVersionTable.PSEdition -ne "Core") 
+if ($Host.UI.RawUI -and $Host.UI.RawUI.CursorPosition) 
 { 
-	$Host.UI.RawUI.CursorPosition = @{X=0; Y=0} 
+	cls
 }
 
 
@@ -80,6 +80,8 @@ if ( $test -eq $true )
 	$args_ninja += "-C"
 	$args_ninja += $path_test_build
 
-	Start-Process ninja $args_ninja -Wait -NoNewWindow -WorkingDirectory $path_test
+	write-host $args_ninja
+
+	Start-Process ninja $args_ninja -Wait -NoNewWindow -WorkingDirectory $path_root
 	#endregion Test Build
 }

scripts/clean.ps1

@@ -18,4 +18,7 @@ if ( Test-Path $path_test_build )
 
 $files = Get-ChildItem -Recurse -Path $path_test -Include $include -Exclude $exclude
 
+if ( $files )
+{
 	Remove-Item $files
+}

scripts/refactor_and_format.ps1

@@ -46,7 +46,7 @@ if ( $false ){
 }
 else {
     $refactorParams = @(
-        "-debug",
+        # "-debug",
         "-num=$($targetFiles.Count)"
         "-src=$($targetFiles)",
         "-dst=$($refactoredFiles)",
@@ -86,7 +86,7 @@ foreach ( $file in $targetFiles )
 }
 
 $refactorParams = @(
-    "-debug",
+    # "-debug",
     "-num=$($targetFiles.Count)"
     "-src=$($targetFiles)",
     "-dst=$($refactoredFiles)",