Added write(), it seems right, and passes my 32 unit tests.
Added Read(), fixed a few bugs, and made tons of tests.
Cleaned up a bit, made the Makefile work, and removed some comments.
Revert "Cleaned up a bit, made the Makefile work, and removed some comments."

This reverts commit b2dbbac65949b5f0715128ca1449d8a3fc52c4fc.
Reverted to version before half-merging Ben's commits.
Merge branch 'master' of github.com:kwplummer/IOLab into KyleWork

Conflicts:
	filesystem53.cpp
	filesystem53.h
Added lseek_broken(), which makes the tests work. Once create() and open() are set to use desc_table it can be removed.