Added link for possible fix for #43

BiosSledgehammer.ps1

@@ -157,6 +157,7 @@ function Test-Environment()
         }
 
         $Make = (Get-CimInstance Win32_ComputerSystem).Manufacturer
+
         if ( (Test-String $Make -StartsWith "HP") -or (Test-String $Make -StartsWith "Hewlett") )
         {
             #All seems to be fine
@@ -1379,9 +1380,9 @@ function Invoke-BitLockerDecryption()
             {
                 write-verbose "Checking volume $($volume.DeviceID)"
 
-                #There might be drives that are BitLocker encrypted but do not have a drive letter
+                #There might be drives that are BitLocker encrypted but do not have a drive letter.
                 #The system drive will always have a drive letter, so we can simply rule them out.
-                #This should be the fix for issue #43. 
+                #This should be the fix for issue #43 - https://github.com/texhex/BiosSledgehammer/issues/43
                 if ( $volume.DriveLetter -ne $null )
                 {
 

MPSXM.psm1

@@ -1,5 +1,5 @@
 # Michael's PowerShell eXtension Module
-# Version 3.27.0
+# Version 3.27.1
 # https://github.com/texhex/MPSXM
 #
 # Copyright © 2010-2018 Michael 'Tex' Hex 
@@ -609,7 +609,7 @@ Function Start-TranscriptIfSupported()
 
         [uint32]$value = 1
 
-        #If the path does not exist, this line crashes with "A parameter can not be found that maches parameter FILE" which does not make any sense IMHO
+        #If the path does not exist, this line will crash with "A parameter can not be found that maches parameter FILE" which does not make any sense IMHO
         try
         {
             $existing_files = Get-ChildItem -Path $Path -File -Filter $filter -Force -ErrorAction Stop
@@ -2514,6 +2514,7 @@ Function Test-IsHashtable()
     [OutputType([bool])] 
     param (
         [Parameter(Mandatory = $True, Position = 1)]
+        [AllowNull()]  #We should be able to check if NULL if a hashtable (Else well get "Cannot bind argument to parameter 'InputObject' because it is null.")
         $InputObject
     )