Use get_type_of_expression in typing_form_sympy_inspection to infer types

See merge request !43

Problem: integration test needs to add new remote when triggered from
fork

Compile CUDA using the LLVM backend

See merge request !53

Sort headers/global definitions to enable reproducible code generation

See merge request !52

Address #13: Use sympy.codegen.rewriting.optimize

See merge request !34

headers and global_declarations are generated by methods that return
sets. So even with the same inputs it is not guaranteed that the same
source code is generated since sets do not guarantee a specific order
when iterating over them.

AES-NI vectorization improvements

See merge request !46

CI: Add minimal-sympy-master

See merge request !50

Close pystencils' config file after writing

See merge request !51

Actually increment counter inside random_symbol

See merge request !49

Add pyhtml to tests and artifacts

See merge request !41

Fix typo in "pre-push"

See merge request !44

Add PyPI badge

See merge request !45