Formatting and makefile step for clang++ -Weverything with necessary fixes.

[matu3ba]

This also adds a workaround to the object hack due to missing .hpp

[matu3ba]

Please tell me the necessary .clang-format changes, if you want to change them and/or other changes you feel would be necessary.

[vog]

Thanks a lot for your contribution. Alas, in its current form it is pretty hard to review.

Could you please split your pull request into two separate pull requests?

• The first request would be fore for pure formatting changes.
  • It would add the .clang-format, which in its current form is fine for me.
  • It would contain only white-space changes (indentation, breaking lines differently, etc.).
• The second pull request, as a follow-up to the first one, would contain the actual code changes.
  • It would contain the Makefile changes to add the compiler flags.
  • It would contain the code changes to fix the compiler warning.

Alternatively, you could skip the reformatting entirely and provide a pull request with only code and Makefile changes, leaving the current coding style intact.

Again, thanks so far!

[vog]

This also adds a workaround to the object hack due to missing .hpp

That change might also warrant a separate pull request, or at least a separate commit.