Changelog for version 0.0.3.1-alpha (08/15/2014)

• Add support and documentation for multinomial variables and multinomial factor function.
• Add text chunking example to show how to use multinomial random variables.
• Add support for array type variables.
• Add support for parallel factor graph grounding.
• Update grounding: all grounding/dumping is now done in the database instead of having data going through Scala code.
• Add support for faster data unloading (e.g. unloading grounding tables to file).