Fix stray $ in addConditionalFormatting. Updated readme

AddConditionalFormatting.ps1

@@ -219,7 +219,7 @@
                          $ConditionValue  = '"' + $ConditionValue +'"'
                 }
         }
-        if  ($PSBoundParameters.ContainsKey("$ConditionValue2")) {
+        if  ($PSBoundParameters.ContainsKey("ConditionValue2")) {
                 $number = $Null
                 if ($ConditionValue -isnot [System.ValueType] -and [Double]::TryParse($ConditionValue2, [System.Globalization.NumberStyles]::Any, [System.Globalization.NumberFormatInfo]::CurrentInfo, [Ref]$number) ) {
                          $ConditionValue2 = $number

README.md

@@ -56,6 +56,10 @@ Install-Module ImportExcel
 # What's new 5.4
 
 - Thank you to Conrad Agramont, Twitter: [@AGramont](https://twitter.com/@AGramont) for the `AddMultiWorkSheet.ps1` example. Much appreciated!
+- Fixed several more bugs where parametrs were ignored if passed a zero value 
+- Merge-MultipleSheets is more robust. 
+- Set-ExcelRow and Set-ExcelColumn trap attempts to process a sheet with no rows/columns.
+- Help has been proof-read . 
 
 # What's new 5.3.4