Issue #85: Add Python 3 compatible pefile.py library.
Issue #85: Update bundled zlib library to zlib 1.2.8.
Issue #85: Fix zlib 1.2.8 compilation on Windows.
Issue #85: On Windows Use workaround for unicode paths only for Python 2.
Issue 85: On Windows override PATH_MAX constant.
Issue 85: For bootloader set default Windows version WinXP SP2.
Issue 85: In bootloader drop checking if OS is WinXP.
Issue #85: Fix some compilation issues of bootloader on Windows.
Issue #85: Move functions stb_fullpath and stb_printf to pyinstaller bootloader code.
Issue #85: Move file ./bootloader/windows/utils.c to ./bootloader/common/pyi_win32_utils.c.
Issue #85: Copy function stb_to_utf8 from stb.h fileto bootloader code.
Issue #85: In bootloader replace define WIN32 by _WIN32.
Issue #85: In bootloader drop includion of header stb.h.
Issue #85: Add ordlookup modules for Python library pefile.
Issue #85: Copy fopen wrappers from stb.h into bootloader code.
Issue #85: Add to bootloader function to convert utf8 towchar.
Issue #85: Fix bootloader compilation after dropping dependency on stb.h.