Merge pull request #43 from teenHack42/fs

Fs - improving and fixing
Update README.md
lookup_file_desc fixed. needed to compare node to node
filesystem at full steam ahead
added serialf function and added serial port selectors
Merge branch 'master' into fs

Conflicts:
	MatrixOS.iso
	bin/MatrixOS.bin
	isodir/MatrixOS.bin
	src/kernel.o