hasql-pool-0.7: CHANGELOG.md

# 0.7

Simplified the implementation a lot by removing the notion of timeout.

Breaking:
- Removed the `Settings` type
- Changed the signature of `acquire`

# 0.6

Moved away from "resource-pool" and fixed the handling of lost connections.

Breaking:

- Changed the suffix of `UsageError` constructors from `Error` to `UsageError`
- Added `PoolIsReleasedUsageError`