1. Support for LDA US potential. matgenie.py script option to generate POTCARs. 2. Beta version of StructureNotationLanguage, a markup format for Structure data with metadata such as authors and references. (Anubhav Jain) 3. Vasprun parsing now parses dielectric constant where available. (Geoffroy Hautier) 4. New custom ipython shell script for pymatgen. 5. Miscellaneous bug fixes and speedups.