Merge branch 'v2.0-dev' into fhennig/gpu-iteration-spaces

docs/source/reference/sympyextensions.rst

docs/source/reference/types.rst

docs/source/tutorials/index.rst

pyproject.toml

src/pystencils/backend/ast/astnode.py

src/pystencils/backend/ast/expressions.py

src/pystencils/backend/ast/iteration.py

src/pystencils/backend/ast/util.py

src/pystencils/backend/exceptions.py

src/pystencils/backend/functions.py

src/pystencils/backend/jit/__init__.py

src/pystencils/backend/kernelcreation/analysis.py

src/pystencils/backend/kernelcreation/ast_factory.py

src/pystencils/backend/kernelcreation/context.py

src/pystencils/backend/kernelcreation/freeze.py

src/pystencils/backend/kernelcreation/typification.py

src/pystencils/backend/kernelfunction.py

src/pystencils/backend/memory.py

src/pystencils/backend/transformations/add_pragmas.py

src/pystencils/field.py