v0.2... Start all over again!

Make another test more reliable

Make WithKeysToRemoveObservable take multiple params rather than a tu…

…ple for multi param enumerable key functions

Check if CachedObject has been disposed both before and after fetchin…

…g new value

appveyor.yml fix to pick up version number correctly

Fix text in test

Make WithTimeToLiveFactory take multiple params rather than a tuple f…

…or multi param enumerable key functions

Allow specifying SkipCacheWhen functions which only look at the outer…

… key for MultiParamEnumerableKey functions

Ensure interface methods are always retrieved in the same order to al…

…low matching by index

Make test faster