v0.4.0: Merge pull request #18 from johnnyshields/multi-user

User Relation + Multi-User + Thread Safety

v0.3.2

• Fix bad gem release

v0.3.1

• Improvement
  • Remove autoload and replace with require in gem root lib file
  • Add log warning for #configure deprecation
• Admin
  • Remove Jeweler dependency, replace with gem-release gem
  • Add Gemfile.lock to .gitignore (best practice for gems)
  • Simplify version file