cleanup the path the user enters

Tools.ps1

@@ -778,6 +778,17 @@ Function Get-FileSizes {
         $IncludeHidden = $false
     }
     
+    # If the path is not an absolute path, make it so
+    ElseIf ( -not (Test-Path $Path) ) {
+        $NewPath = $Path[0] + ":\"
+        If ( -not (Test-Path $NewPath) ) {
+            Write-Error "Could not find path: ${Path}"
+            Return
+        }
+        $Path = $NewPath
+    }
+    }
+    
     # Change the sort order depending on which parameter set was specified
     Switch ( $PSCmdlet.ParameterSetName ) {
         "largest"  { $SortOrder = $true  ; $Quantity = $Largest  }