Major changes

Made it to where final bosses in the last chapter of FE7 now have random S rank weapons

Minor changes

Removed Merlinus from randomizing altogether
- It's best to just leave him be because it breaks the base supply operations
Fixed a bug where "Spear" was considered a D rank lance
Fixed issue where Sealen and Zoldam would be promoted classes
Fixed a bug where Jerme's class wasn't getting randomized on the final chapter
Give female thieves the ability to class change
Change Soldier promotion target to "Knight Lord"
Gave Matthew a door key and chest key on chapter 11 Hector mode