SMTD installer for Max 2021

[MarcoA]

@Justin_B

D10.1.6 error with max 2021 (python 2 -> python 3)

there is an issue in Max 2021 in D10.1.6 Max 2020 iis python 2, but max 2021, is python 3, resulting if we are using an ifl sequence a submitMaxTodeadline_functions to fail fn getMaxscriptListFromPythonList pythonList = ( maxscriptList = #() if SMTDFunctions.getMaxVersionAsInteger() >= 2017 then -- Python wrappers added in 2017 ( bi = python.Import("__builtin__") for i = 1 to bi.len(pythonList) do ( append maxscriptList pythonList[i] ) ) else ( thro…