Changes in Version 0.7.3 (2013-03-06)
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BUG FIXES

* Fix for `names<-.BibEntry`
* Fix for `print.BibEntry` when entry has urldate field but no url field
* Corrections for some documentation typos
* Fix pmidrelated field when `batch.mode = FALSE` in `GetPubMedRelated`
* Fix for `LookupPubMedID` when `index` argument specified
* `open.BibEntry` now works properly
* Fix for converting thesis entries in `toBibtex.BibEntry`
* Fix for `WriteBib` with `biblatex` argument

NEW FEATURES

* Added Vignettes including user manual and Rmd citation examples
* Added NEWS
* Added HTML output of Rmd and RHTML citation examples to doc/
