Fix dbfs standalone build
Implement renaming files and directories
Implement hierarchial filesystem
Use "make test" instead of a separate script
Have better errors
Propogate the errors
Merge remote-tracking branch 'ben/master'
Pulled database and added mkdir and mvdid
Added move/rename directory to model.
Created a model function to retrieve all contents in alphabetical order.
Added closeDatabase to DBinterface and model.
Model should be done.
Merge remote-tracking branch 'jesse/master'
Added database to code. Ben has a bunch of SQL linker issues.