ex17: die() now takes a Connection *conn arg
ignore .swn files
Address and Database struct update (partial extra credit)

Address.name is now a char *
Address.email is now a char *
Removed Address.set (useless for checking if a record is set)

Database.rows is now a Address **
Added Database members for tracking max_data and max_rows

Also, split up Database_load() into Database_new and Database_open()

TODO: Update _set, _get and _delete functions
write db->max_data and db->max_rows first

we need to read them back first in Database_load()
Database_open() properly reading from file
Merge branch 'master' of github.com:danjarvis/lcthw
Makefile :: suppress make clean bash stuff
ignore .o files
use typedef for Struct
ex17 (ec) support arbitrary database size
fix memory leak in Database_set
fix memory leak in Database_delete()