## What changed?
Noticed that `db.CreateTask` and `persistence.CreateTask` were
relatively unused and could be removed.
## How did you test it?
Current CI/CD tests
## Potential risks
Could break things if an unseen component were to use these methods;
have checked it to the best of my abilities.
## Is hotfix candidate?
No
- Range for matching GetTasks is now [inclusive, exclusive), instead of (exclusive, inclusive]
- Range for matching CompleteTasksLessThan is now < max TaskID, instead of <=
- Range for admin ListTaskQueueTasks is now [inclusive, exclusive)
* Import SQLite driver from Temporalite: these files originated from https://github.com/DataDog/temporalite
* Add SQLite driver layer & UT
* Use mattn SQLite driver
NOTE: SQLite support is still in development stage