1 named indices (index representation needs an overhaul)
3 multiple primary keys (oracle, db2, others?)
5 better documentation for Column::sql_add_column
7 Additional transformations (deleted, modified columns, added/modified/indices
8 (probably need em named first), added/deleted tables
10 port and test with additional databases
12 sql CREATE TABLE output should convert integers
13 (i.e. use DBI qw(:sql_types);) to local types using DBI->type_info plus a hash