Fix #427: handle nested parameters with arrays correctly when using declared
Merge pull request #427 from timhabermaas/fix-declared-when-given-arrays

declared(params) breaks when params contains array
Organize the release notes in fixes/features, ahead of 0.5.0.
Update README.md
Preparing for release, 0.5.0.
Bump version to 0.5.1.
Removes param memoization in Grape::Request. Closes #428
Update CHANGELOG.md
Update Exception Handling example, Closes #429
Removed unused property.
Added a link to grape-active_model_serializers.
raise instead of throw in validations spec
add ability to collect validation errors
Add missing quote in documentation
Merge pull request #432 from rymai/patch-1

Add missing quote in documentation
remove old line
add comment to explain if/else condition
Split long line
Stop testing Grape against unsupported Ruby 1.8.7 variants.
Merge branch 'master' of github.com:intridea/grape