Lots

Checkout works (redesigned algorithm)
Checkin works (redesigned algorithm)
Renew works (redesigned algorithm)
Modified the time clock setup (more names instead of numbers) +1
intuitiveness
made overdue items report
settings.txt works on API side
made gui to interact with user side of settings.txt
sending emails works
looking up a customer without id works
music search works
game search works
movie search doesn't work yet
fixed bugs in addMovie
actors are now added to ACTORS table
fixed some stuff in the database
added a bunch of movies to the database, with actors