Some more improvements to the paper
Minor optimization to avoid class object lookups
Added API details
Updated gitignore
Updated paper
Added info on API usage
Added details on topo sort
rbcl works with small SOAP paper example
Merge pull request #5 from malaverdiere/feature/rbclassload2

Updated paper
spark runs with rbcl
working on paper, introduction
Merge branch 'feature/rbclassload2' of git://github.com/pcpratts/soot-rb into feature/rbclassload2