Remove Gemfile.lock
Ignore Gemfile.lock as well
fix typo in README.md
Merge pull request #26 from damien-roche/master

fix typo in README.md
[Fix] App name cannot contain an underscore , closes #23
Merge pull request #25 from seuros/master

[Fix] App name cannot contain an underscore , closes #23
signing with purpose via :for option

override == in SignedGlobalID to consider purpose

change serializer to JSON and clear the tests