Kajetans C++ standard library without any C++ dependencies

Kajetan Johannes Hammerle e076804076 Merge with C core 8 kuukautta sitten
cmake e076804076 Merge with C core 8 kuukautta sitten
include e076804076 Merge with C core 8 kuukautta sitten
old e076804076 Merge with C core 8 kuukautta sitten
performance e076804076 Merge with C core 8 kuukautta sitten
src e076804076 Merge with C core 8 kuukautta sitten
test e076804076 Merge with C core 8 kuukautta sitten
testData e076804076 Merge with C core 8 kuukautta sitten
.clangd e076804076 Merge with C core 8 kuukautta sitten
.gitignore e076804076 Merge with C core 8 kuukautta sitten
CMakeLists.txt e076804076 Merge with C core 8 kuukautta sitten