remove call_guarded_threaded since cffi always releases the GIL.
pyopencl_call_guarded
error
pyopencl_call_guarded_cleanup
pyopencl_buf
cast_bool
get_vec_info
get_opaque_info
get_str_info
get_int_info
noncopyable
c_handle_error
convert_obj
python gc
python gc
fix for object dtype under pypy.
skip _create_vector_types in pypy
partially add back vector support for pypy
typo ... T_T ...
handle new(?) crashes in pocl-0.9...