errno be working in sys calls again. (small hack, we clobber %r13 in the system call so userspace *has* to save it)
warn stupid people
implemented pthread_mutex (init, destroy, lock, unlock, trylock)
Merge branch 'feature/multitasking' into develop
need to work on std stream buffering
buffering works!
huge stdio work, added a bunch of syscall interfaces to functions already present in the VFS.
Add Shell placeholder.
Merge branch 'develop' of github.com:logangorence/mx into develop