Spring 23-24
------------
- no time to get to GDB
- would be nice to have practice problem related to the bitvector setup
- pull in bit ops checklist from lecture 5 (DONE)

Spring 24-25
------------
- Slides 43-48 make unsigned char
- the beginning slides are a bit of a whirlwind about casting, size changes, etc.

Spring 25-26
------------
- bitmask section doesn't explain what a bitmask is, immediately jumps to bitvector