Fix and .NET Framework update

[DariusHutchison]

I fixed issue #5 on all three version and updated 4.0 to 4.8.

[nil-ew]

Good day, Darius.
Thanks for DISM_GUI, a convenient program

If possible in ver 3.3.1:

1. Add support for Language files (TXT or XML format)
2. Add in console output before "txtOutput.Text = strOutput" transcoding function OEM(DOS)-> ANSI (Windows)
   "API - OemToChar" recode as checkbox option
   Example:
   Declare Function OemToChar Lib "user32" Alias "OemToCharA"
   (ByVal lpszSrc As String, ByVal lpszDst As String) As Long (x64 -type LongLong)
   ...
   Code& = OemToChar(InputStr$, InputStr$)

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Best regas, Evgeny.