Possible fix for windows 7 x64 and PIL replacedment with Pillow

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Hi, 
Sorry I do not know if this is the correct way, but found a way how to install 
and get the Demo testsuite running on my Win7 x64 with python 2.9.4 amd64.
I do not know if this works 100% but the Demo Test do and I want to share my 
way, maybe it can help someone else.

Steps to get it running:
x64 support:
- Download and extract the Autoit Library
- Download the Autoit3.zip from 
https://www.autoitscript.com/site/autoit/downloads/
- copy the AutoItX3_x64.dll to .....\AutoItLibrary-1.1\3rdPartyTools\AutoIt\ 
folder

- edit setup.py and replace the "AutoItX3.dll" with "AutoIt3X_x64.dll"

or make it platform dependend:
~~~~~~~~~~~snip~~~~~~~~~~
    import platfrom
    if sys.argv[1].lower() == "install" :
        if os.name == "nt" :
            if platform.machine().endswith('AMD64'):
                dllFile = "AutoItX3_x64.dll"
            else:
                dllFile = "AutoItX3.dll"

            #
            # Install and register AutoItX
            #

            if os.path.isfile(os.path.join(get_python_lib(), "AutoItLibrary/lib/" + dllFile)) :
                print "Don't think we need to unregister the old one..."

            instDir = os.path.normpath(os.path.join(get_python_lib(), "AutoItLibrary/lib"))
            if not os.path.isdir(instDir) :
                os.makedirs(instDir)
            instFile = os.path.normpath(os.path.join(instDir, dllFile))
            shutil.copyfile("3rdPartyTools/AutoIt/"+ dllFile, instFile)
~~~~~~~~~~~snip~~~~~~~~~~

Use Replace PIL with Pillow:
- edit __init__.py, I edited both file in src and build, not sure if needed or  
why there are 2 copies.

- simply add "from PIL " before the "import ImageGrab"

~~~~~~~~~~~snip~~~~~~~~~~
try :
    from PIL import ImageGrab
~~~~~~~~~~~snip~~~~~~~~~~

And after pywin install, autoit setup was successful and the Demo Calculator 
Test  with "screecshot on fail" was running without a problem.

Original issue reported on code.google.com by stefansc...@gmail.com on 6 May 2015 at 3:18