testACallbackCanBeSet
testTheCallbackWillBeExecuted
testMustBeATypeOfAction
testCanGeneratePHPCode
testWillUseDifferentCacheKeyEachTime
testItemCanBeFetchedBackFromCache
testTheCallbackWillNotBeExecutedIfNotCalled
Update wiki
Must use Closure instead of callable
Merge branch 'release/1.3' of https://github.com/elliotchance/concise into 1.3/111-anddo-for-mocks
testConstructorWillOnlyAcceptClosure
testConstructorWillOnlyAcceptAnException
Merge branch 'release/1.3' of https://github.com/elliotchance/concise into 1.3/111-anddo-for-mocks

Conflicts:
	wiki
Merge pull request #111 from elliotchance/1.3/111-anddo-for-mocks

andDo() for mocks