Fix docs/test.rb for Graph#from_CSV
Move new_subject, new_id from Fact to Fact::Factory

* also improve some comments
Release version 0.0.10

* Input validation for Graph#from_CSV (pairing with @marksim)
* Convert Graph.from_CSV => Graph#from_CSV (can apply multiple
  from_CSV's on same graph)
* moved factories out of Fact to Fact::Factory
  (removing the dependency injection violations from the Fact class)
* work-arounds for JRuby nanosecond rounding issues (#1)
* renamed Factories to TestFactories