More data files.
Small change on an error message.
Adding a prototype to import databases.
Removing useless lines.
Prints while loading and saving data were removed.
Small correction in an error message.
Small change on the final report.
Updating error messages for loadNeighborhood.
Removing global variable.
Updating error messages.
Adding one more data file.
Small update to the importDatabase function.
Checks to pass the database tests.
Database tests added.