Added error bars to KOI-200.xml. Source:
http://arxiv.org/pdf/1304.6002.pdf
Updated cleanup script to automatically convert 'error' attributes to 'errorplus' and 'errorminus' attributes.
Modified cleanup script so that it does not delete empty tags which have
attributes.
Added error bars to KOI-889. Source http://arxiv.org/abs/1304.6002
Merge branch 'uncertainties'