Minor table graphic tweaks
Remove appointments, add expenses and payments
Remove appointments, add expenses and payments
Fix student-classrecord association
More payments/expenses refactoring, mostly in existing views and controllers
More transaction -> expense refactoring
Revamp credit system to match expense changes
Clean up & fix parts of credit/payment code
Change payment system to correctly recognize paid-in-full expenses
Some final fixes
Functionally complete. v1.0