_StringToHex, _HexToString with ""

[jpm]

I don't think these functions should return errors on "" string.

if the string is "" both functions should return "".

I think there is an bug on malform hexstring when converting to string as no checking is done

===============================================================================
;
; Function Name:    _HexToStr("hex")
; Description:    Convert a hex string of characters to ASCII Characters.
; Parameter(s):  $strHex is the hex string you want to convert.
; Requirement(s):   Hex Input.
; Return Value(s):  On Success - Returns the converted string of characters.
;                  On Failure - -1  and sets @ERROR = 1
; Author(s):        Jarvis Stubblefield 
;                       Corrrected jpm
;
;===============================================================================
Func _HexToString($strHex)
    Local $strChar, $aryHex, $i, $iDec, $Char, $file, $iOne, $iTwo
    
    $aryHex = StringSplit($strHex, "")
    
    For $i = 1 To $aryHex[0]
        $iOne = $aryHex[$i]
        $i = $i + 1
        $iTwo = $aryHex[$i]
        $iDec = Dec($iOne & $iTwo)
        If @error <>0 Then
            SetError(1)
            return -1
        EndIf
        $Char = Chr($iDec)
        $strChar = $strChar & $Char
    Next

    Return $strChar
EndFunc

;===============================================================================
;
; Function Name:    _StrToHex("string")
; Description:    Convert a string of characters to hexidecimal.
; Parameter(s):  $strChar is the string you want to convert.
; Requirement(s):   String Input.
; Return Value(s):  Returns the converted string in hexidecimal.
;
; Author(s):        Jarvis Stubblefield 
;                       Corrrected jpm
;
;===============================================================================

Func _StringToHex($strChar)
    Local $aryChar, $i, $iDec, $hChar, $file, $strHex
    
    $aryChar = StringSplit($strChar, "")
    
    For $i = 1 To $aryChar[0]
        $iDec = Asc($aryChar[$i])
        $hChar = Hex($iDec, 2)
        $strHex = $strHex & $hChar
    Next
    
    Return $strHex
EndFunc