Yea, the last push. I don't want to talk about it

There was a glitch where sometimes the functions that had deferred fu…

…nctionality but wasn't returning anything wouldn't actually run the deferred functionality. This has now been fixed

Modified test "TestCache_GetEntry". It did not previously include a n…

…il value test

Merge pull request #2 from emillis/v0.3.1

Glitch and test fixes

Fixed the "AddTimer" cache method. Also added tests for Entry - "Stop…

…Timer" and "ResetTimer"

Added Benchmarks for "Merge(c1, c2)" and "MergeAndReset(c1, c2)"

Added two new function - "Merge(c1, c2)" and "MergeAndReset(c1, c2)".…

… First one merges everything from c2 into c1. Second one does exactly the same, but additionally, it wipes c2 clean after the merger

Private method "copyData()" is no longer protected by a mutex. A public method using it should use mutex instead.

Added "GetRandomSamples(n int)" method to Cache struct. Ite returns s…

…et of size n of random data from cache. Added benchmark for it too.

Also, changed how Count() int is returned. This does not affect the API.

Copy function now takes interface with "GetAll() map[TKey]TValue" met…

…hod defined, rather than the actual Cache type