There seems to be support for it everywhere.
defines are bulky and error-prone

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

I almost made this a header-only library. should I make the switch now?

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

used cppcheck, valgrind on the examples.

fix the C interface free(), the example, the build type select.

update the cppcheck files, add the clang scanbuild script

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>