* Added test cases which demonstrate loss of uncommitted data when a
fetch() fails in between store() calls.
Don't rollback on exceptions. Print class name instead of error when no error message is available
Implemented append method
Implemented each method
Implemented [] and []= operators
Implemented has_key?/include?/key?
Implemented closed?
Implemented clear method
Implemented each_pair/each_value/each_key
Implemented end_transaction/transaction with block
Added member? method
Implemented empty? method
Implemented open/new methods with flags arguments & block
Disabled temp database test - VFS only?
Implemented cursors
Refactored database with GDBM style GetDatabase/GetDatabase2
Added rdoc to database methods
Added support for a options max_page_cache/kv_engine/disable_auto_commit