v1.3.2: Add SimpleObjectLock

Keep up with the latest commit.

v1.2.3: SimpleQueue's enqueue works improperly

Former-commit-id: 211408d15f97e9513c01d4a48807e05776a3ec7e

v1.1.2: Circular dependencies between ForkJoinPool and ForkJoinTask

Former-commit-id: d6b82b3f2f8a27782d133fe0ad05fad18c8e5fa0

v1.0.0: Minor fixes

First stable release