* 3 funcs needed for some mwcc compilers
* some PR feedback
* lots more via pair programming with Simon
* cleanup, add test dir as an include dir for tests
* bugfix
* Readme changes, github actions ci, test
* Std flag change for older GCC versions"
* Install gcc multilib
* test fix and formatting
* Don't segfault on nonexistant file and show error instead
* Update ci.yml
* PR comments
* remove silly bit