Replace missing headers as needed

See #16

Python part still needs to be fixed, almost there, compiles in clang again

The key point is to speed up compilation, and make it easier to develop, by using the packaged C++ interface more extensively

No warnings from teqp code, all from externals

Closes #41

Try to push this hotfix today

Helpful for debugging

Tiny updates, nothing too serious

Closes https://github.com/usnistgov/teqp/issues/30

version 0.14.1

And get the parameters from the class

Closes #27

* Try to break up the C++ interface into smaller chunks

In order to make compilation less RAM intensive

* Inline the makers, also add the other sources

* Tidying up the splitting