We decided this won't help anyone long-term, as the signature to types still differs. With strong naming you *could* load both as a workaround, but the upgrade cutover has to happen at some point and this does it for the 2.0 release.

2.0 - change tracking PR; do not merge

While these were being cancelled already - we can still tidy into the extensions. When they were added we were competing on edits...now that we're clear we can do that cleanup pass.

This wasn't actually working due to needing a "needs DB" exemption, fixed up!

The return differs on OBJECT IDLETIME, it's a bulkstring null when the key does not exist...handle it accordingly.

#920 - add Lease<T> API; currently only {String|Hash}GetLease[Async] implemented; includes convenience methods for decoding or treating as a MemoryStream

# Conflicts:
#	src/StackExchange.Redis/Interfaces/IDatabase.cs
#	src/StackExchange.Redis/Interfaces/IDatabaseAsync.cs
#	src/StackExchange.Redis/RedisDatabase.cs

* Get multiple elements with SetPop

* Adjust names