remove cached method entries
reorganise sl_class_t to only have 4 fields after sl_object_t header
move flag fields into the user_flags bitfield on sl_object_t
move extra fields into extension struct on sl_method
move lib struct types into value.h
Merge branch 'fixed-size-objects'
add generic data type
use new Data type in MySQL
make MySQL::Statement use the Data API
Merge branch 'data-type'