Add Gemfile
Add to .gitignore
Use edge version of Sinatra
Refactor for spec of permitted parameters
Move helper method to spec_helper
Refactor for spec of nested_parameters
Delete helper method that not used
Include RSpec::Matchers to mock app
Add helper method to nested_parameters
Merge branch 'refactor_for_test_code'
Add filter option to the test case for matching
Merge branch 'refactor_for_test_code'
Enable string or symbol key access to params
Change params access key from String to Symbol
Bump to version 0.1.1