allow :type parameter on group param keyword
initialize parent param in default validator only if it not present
Merge pull request #610 from klausmeyer/fix-group-params

allow :type parameter on group param keyword - closes #605
Merge pull request #611 from dm1try/fix_grouped_arrays

initialize parent param in default validator only if it's not present
Preparing for release, 0.7.0
Preparing for next release.
change 0.6.2 -> 0.7.0 in the upgrading description
Clarified the code structure for Rails.
Merge pull request #612 from edelgado/master

Clarified the code structure for Rails.
regex validator refuses params with nil value
Merge pull request #614 from dm1try/refuse_params_with_nil_by_regex_validator

regex validator refuses params with nil value
Update minimum version of Hashie::Mash, fixed performance issue with requests carrying a large payload, #494.
Expanded test matrix to more rubies.
Upgraded Rubocop to 0.20.1.
Convert specs to RSpec 3 syntax with Transpec

Converted specs to 3 syntax using the Transpec gem. Additionally, updated test in endpoint_spec.rb on Line 108 to check for nil rather than attempting to match on nil.
Merge pull request #619 from danielspector/transpec-rspec-update

Convert specs to RSpec 3 syntax with Transpec
Adds Guard with RSpec/RuboCop
Update README.md
Merge pull request #623 from edelgado/master

Added a Table of Contents to README.md
Moved buidl status above the fold.