Release v0.1.0 alpha 13

Includes a small patch to fix the following error:

[ 2][ ERROR]: "buildInputs[0].instanceArray", "numInstances" is non-zero, but "instances" is null
Optix call (optixAccelBuild(optixContext, 0, &accelOptions, &instanceInput,1, (CUdeviceptr)tempBuffer.get(), tempBuffer.size(), (CUdeviceptr)dd.bvhMemory.get(), dd.bvhMemory.size(), &dd.traversable, nullptr,0u )) failed with code 7001 (line 268)
terminate called after throwing an instance of 'std::system_error'
what(): Resource deadlock avoided
Aborted (core dumped)