The first step to cool API
Added first test for library envelope
its possible to open and close database now
Implemented library and partially database wraps
Can create and drop collections
Some renames
Implemented transactions
Added sync database and sync collection methods
Implemented db metadata, some helpers to work with bson, improved asserts (based on metadata)
Implemented save/load methods
Collection tests moved to separate test fixture
Implemented delete operation
Implemneted index operations