Merge pull request #271 from clovis/master

Bug fixes, and changes to time series object
Merge pull request #23 from ARTFL-Project/master

merge downstream
added recursive lookup based on db.locals to hitwrapper
moved TagCensus to standard library; various improvements
added xml_cleanup.py using new TagCensus class
Merge pull request #272 from rwhaling/master

recursive lookup and xml repair scripts
removed stub cleanup function from xml_cleanup.py
bug fix in ObjectWrapper
Merge pull request #273 from rwhaling/master

bug fixes
Merge pull request #55 from ARTFL-Project/master

update downstream