testExceptionIsThrownIfFileDoesNotExist
testWillFailIfStringDoesNotMatchFile
testWillSucceedIfStringDoesMatchFile
StringDoesNotEqualFileTest
Update docs
Merge pull request #100 from elliotchance/1.3/100-assertStringEqualsFile

assertStringEqualsFile
Merge branch 'release/1.3' of https://github.com/elliotchance/concise into 1.3/94-equals-for-floating-point