* github/pr/99:
fix an out-dated comment in the array filter code
add macro dbfl_pfield to db_field_log.h and use it in dbGet
fix in dbGet: decide use of db_field_log based on whether it has copy or not
add macro dbfl_has_copy to db_field_log.h and use it in dbAccess.c
refactor db_field_log and filters to get rid of dbfl_type_rec
make it clearer what the result of wrapArrayIndices will be
504191441d