Add small example
Merge pull request #1 from lunich/master

Some undef magic
Modify gemspec
Merge pull request #2 from lunich/master

Inherited Builder from BasicObject
Merge branch 'master' of github.com:Ptico/sequoia
Make sure we are not merge hashes
Respond to is not defined in BasicObject
Add inspect for builder, add tests for Entity#inspect
Add pelusa to gemfile
Sequoia doesn't support 1.8
Remove pry requirement