id,identifier,name
1,edexcel,Edexcel
2,edexcel-igcse,Edexcel IGCSE

id,identifier,name
1,edexcel,Edexcel
2,edexcel-igcse,Edexcel IGCSE
3,aqa,AQA

Add AQA as an exam board
Add AQA as an exam board

Updates #13
