Added symptom and illness prefabs

Added cancer, common cold illnesses
Added runny nose, Headache symptoms
Set up corey branch
Fixe merge error
Merge remote-tracking branch 'origin/Corey-Branch' into Ryan-Branch
Merge remote-tracking branch 'origin/Ryan-Branch' into Corey-Branch
patient fix
Merge remote-tracking branch 'origin/Corey-Branch' into Ryan-Branch
radial menus changes
Merge remote-tracking branch 'origin/Corey-Branch' into Ryan-Branch
Debugging patient structure
Merge remote-tracking branch 'origin/Corey-Branch' into Ryan-Branch
Many fixes
Fixing symptom list being modified
Merging changes
Setting up debugging for vs and fixing bugs
Modified Illness System, Work on radial menu
Merging changes into corey branch
Work on illness and symptom backend

-List of illnesses and symptoms is generated at game start
- Symptoms now cannot occur twice for the same illness
Fixed bugs with attribute generation, Added main menu
Game play and illness timer changes