Minor code simplification
Omit empty `describe` groups from report
Do not print empty lines before/after spec groups
Do not pass position to `Formatte.exampleGroupStarted`
Deprecate `Test.Hspec.Formatters.newParagraph`
Add `afterAll` (close #188)
Minor refactoring
Refactor spec filtering and application of --dry-run
Guard against exceptions in afterAll-hooks
Rename package to hspec2, do not expose it
Add support for arguments to before/after/around
add beforeWith to transform param for cases
Add beforeAllWith
Update documentation for runIO
Accept arguments for afterAll-hooks