Remove peer dependency

relates to #74
Merge pull request #86 from baby-loris/hevil.peer

Remove peer dependency
Rename bla-batch -> batch

relates to #74
Pass only an Api instance to the middleware, not methodPathPattern

relates to #74
Merge pull request #88 from baby-loris/hevil.rename-batch

Rename bla-batch -> batch
Merge pull request #89 from baby-loris/hevil.middleware

Pass only an Api instance to the middleware, not methodPathPattern
tools/release: include last commit to log (fixes #81)
Add validators
Pass param declaration to validator
Support paramsValidation option for Api