GSOC work, extend reflection+crash fix
GSOC work, extend reflection+crash fix

Fixed creash error on accessing elements of an empty vector.
Reflection is now extract fields also.

Change-Id: Ic41353cbe9fc404115eb0d2b2f9d5706fc044dab

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core