first commit
Added syscall.c
update process.c
this code needs to be debugged and tested
Debugged
still hanging after process exit
stuff
Added changed files from private repository
Fixed the basic child functions, 13 tests fail

I suspect that all the filesys tests will automatically pass
once I figure out whats going on with the read-normal test
Fixed args.c test
Implemented process exec synching
All tests besides multi-oom pass