handle extra kwargs G+ callback is now sending
for the moment, made tweepy import optional
added support for authenticated mongodb connection
switched to serving CSS locally
switched base URL to https
used xmltodict to extract pubmed xml content to save to db
made doi save full crossref dict info
protect PubmedPaperData from papers where DOI not yet found at shortdoi.org
protect doi xml reader from missing author data
added support for multipage pubmed searching and xmltodict content extraction
added basic interface for pubmed text search
added debug option for showing error tracebacks
switched pubmed searching to use new SimpleObj container for search results
protected against missing doi info for brand-new pubmed records
added standard report_error() function
improved DOI extraction; handle single-author list; include tool/email with pubmed search request
Merge remote-tracking branch 'remotes/spnet/master'
added docData caching mechanism, extended to arxiv searches
added normalize_arxiv_dict(), run during dict retrieval, not during _insert_parent()
fix doi author extraction; split doi and pubmed dict retrieval; stop retrieving pubmed by default