fix exception when passing a nil value for a Hash required param
add generation of json schema
Merge branch 'ifeelgoods-fix_nil'
Merge pull request #186 from ifeelgoods/generate_json

Add possiblity to generate the json version of the documentation
Fix rendering static files
Basic tests for static files generation
Merge pull request #190 from iNecas/fix-apidoc-static

Fix issues when generating static files
Test with Ruby 2.1.0 on Travis CI
Merge pull request #191 from AlekSi/patch-2

Test with Ruby 2.1.0 on Travis CI
Build matrix
Fix tests for Rails 3.0
Merge pull request #192 from iNecas/build-matrix

Build matrix
we are already in Apipie::Validator
add nested validator
add unit tests
update Readme
fix for process_value
use Array instead of nested
arity == 0 to check there is no argument
Merge pull request #189 from ifeelgoods/nested_validator

Add nested validator to validate nested children