Now using multi_json gem for JSON management
Updated CHANGELOG
Merge pull request #11 from maoueh/feature-use-multi-json

Feature use multi json
Moved test Vagrantfile to a dedicated directory
 * Doing so enable us to reduce filename lengths by removing the
   Vagrantfile prefix.
Fixes #9
 * The keys stored in a Bag are always normalized to a symbol. Each method
   receiving a key now normalize it to a symbol for comparaison within
   the bag.
 * Fixed tests to always test all access type which would have shown
   this problem before.
Updated CHANGELOG
Merge pull request #10 from maoueh/fix-issue-9

Fix issue 9
Updated README.md to show more metrics
Merge branch 'feature-more-metrics' into 1.x
Merge branch '1.x'

Conflicts:
	lib/nugrant/bag.rb
	lib/nugrant/helper/bag.rb
	lib/nugrant/parameters.rb
	nugrant.gemspec
	test/lib/nugrant/test_bag.rb
	test/lib/nugrant/test_parameters.rb