Major: 0.0.118

New Features:
1. Import Black-Bullet-backend database to read/write model.
2. Initial support runtime read/write database.
Major: 0.0.119

New Features:
1. Solved DateTime added bug.
Major: 0.0.120

New Features:
1. Black-Bullet: Support batch operate.
2. Black-Bullet: Support flush.
3. Now can record the data when the data was removed.
Major: 0.0.121

New Features:
1. Support data changed record.
Major: 0.0.122

New Features:
1. Black-Bullet: Change the batch count policy.
2. Black-Bullet: In batchCount settings, will use flush() instead of
writeToDisk().
Major: 0.0.123

New Features:
1. Add searcher thread.
2. Add hash pixmap list.
Major: 0.0.124

New Features:
1. Merge branch Black-Bullet-backend