3.0.0

Key changes for v3 that are likely to affect standard usages of this package:

• ConnectionInterface has moved to the root namespace.
• Static Factory methods have been removed.
• If not using the Factory, method parameters for Connection and Pool have changed.
• null return types are removed for methods: reserve(), peekBuried(), peekDelayed() & peekReady(). Use exceptions instead.
• Add BuriedException and DrainingException.
• Logger support for Pool.

See Change Log for full details.