Remove redundant #include <cstdint> in several places
dispatcher: __builtin_cpu_supports is only available on x86

This is a critical bug that breaks build on ARM with GCC
cmake: Build the documentation only after the library is tested
Several fixes in QtCreator project files
Release 0.9.3

Commit 04bab9a626bfea8ff90d9b790e52d5605b77ff63 fixes a critical bug.