v0.2.7

• Added a builder type to configure the pool.
• Added the ability to shut down the pool immediately without waiting for tasks to complete.

v0.2.6

• Upgraded parking_lot.

v0.2.5

• Upgraded parking_lot.

v0.2.4

• Added the ability to schedule tasks that can dynamically change their interval.

v0.2.3

• Implemented Debug for JobHandle.
• Upgraded parking_lot to 0.10.

v0.2.2

• Upgraded parking_lot to 0.9.

v0.2.1

• Switched locks from antidote to parking_lot.

v0.2.0

• Spawn methods now return a handle which can be used to cancel the job.