refactoring Getfield and SetField to use sym_get_prop, which is ever so much clearer :-p
refactoring Getfield and SetField to use sym_get_prop, which is ever
so much clearer :-p

brownplt/LambdaS5,lijunsong/LambdaS5,lijunsong/LambdaS5,brownplt/LambdaS5,logchi/LambdaS5,brownplt/LambdaS5,logchi/LambdaS5,logchi/LambdaS5,lijunsong/LambdaS5