Update 1.0.2

Just a couple of notes here:

- Thank you to everyone who has followed and downloaded.  I've already begun receiving feedback and it's been absolutely excellent!  
- I've decided to adopt a version system for my first real update.  I've skipped 1.0.1 for my own organization outside of itch.io, just to keep it straight.
- I'll be removing previous editions.  If this is a bad call, hook me up with that feedback.  I would just prefer to avoid confusing people with multiple versions in the download list.
- Sometimes I work on something for so long that it becomes hard to notice what it's missing.  Mostly because it seems second-nature to me, which is why I really appreciate everyone's opinions and perspectives.  

Actual updates:
- Added some additional sections in Chapter 2 for Accuracy, Defense, and the two different types of damage reduction (Shielding/Warding).