small fixes

cmake/FindPythonModule.cmake

cmake/FindSphinxModule.cmake

cmake/sort_f90.py

hysop/__init__.py.in

hysop/backend/device/codegen/base/struct_codegen.py

hysop/backend/device/codegen/base/union_codegen.py

hysop/backend/device/opencl/opencl_array_backend.py

hysop/backend/device/opencl/opencl_device.py

hysop/backend/device/opencl/opencl_env.py

hysop/backend/device/opencl/opencl_tools.py

hysop/backend/hardware/pci.py

hysop/backend/hardware/pci_ids.py

hysop/numerics/fft/_mkl_fft.py

hysop/tools/plotDrag.py

hysop/tools/profiling.py

setup.py.in