- correction of smoldb:export not giving a file name for memory databases
- other smoll fix
- smoll fixes
- added annoying messages for breaking changes
- added complete tests
- change of default packer/unpacker from json to message pack
=> correct json inability to reflect lua table (both an array and object, which are two different type in json) and performance gain
- fixed
ensure
which was not copying default object and cause cache linkage on items ensured with the same default object