Fix wrapper for clCreateProgramWithBuiltinKernels

See merge request inducer/pyopencl!51

Introduce PYOPENCL_STACK_CONTAINER to dispatch VLA/std::vector for opposite compiler needs

See merge request inducer/pyopencl!50

Use std::vector for arrays with non-constant length

See merge request inducer/pyopencl!49

Fixes MSVC build issue

Fix cxxflags handling in pybind11 BuildExt

See merge request !48

Support vector arguments with offset in scan kernels.

See merge request !47

This reverts commit ea24cc51.

This reverts commit 749e6a3e.

Fix bank conflict avoidance

See merge request !46

Fix, test cl{Compile,Link}Program wrappers

See merge request inducer/pyopencl!45

Pybind11

See merge request !44