Version 0.6

* grouping by year is now available
* utility to find possible duplicate papers
* when in administrator mode (logged user) always 
  show edit/remove link for papers
* by default papers are listed with descending year
* when showing grouped papers the index can be avoided
* each paper now has a timestamp with last modification time
  (used when ordering papers)
* when importing from DBLP, use the crossref bibitem to
  add further information to the paper
* papers can be marked as private (visible only for logged users)
* when merging authors, checks that the two authors are not the same
  author.

Version 0.5

* use css extensively
* deletion of uploaded files is manual
* better encoding and decoding of html entities
* generate authors in bibtex using the pattern surname, name
* remember the letter for filtering papers to edit
* notes fields is mediumtext now
* can generate rss feeds (thanks to Ezio Bartocci)
* paper import from DBLP (thanks to Ezio Bartocci)

Version 0.4 Requires Php >= 4.3.0

* can filter the papers to edit/delete according to the first
  letter of the title.
* can retrieve categories from bib items
* can specify classifications (generalizations of categories)
* improved bib authors management (accents such as \' and \" are translated)
* retrieve url from bib item
* the order of authors in bib item is respected (bug fixed)
* can modify a paper through a bibtex (the bibtex key is now stored in the
  paper)
* can upload a bib file (i.e., mass insertion/modification)
* fixed authentication problem with php 5
* can merge authors (two authors that represent the same author but one has
  a mispelled name)
* can pass (in the url) some parameters for the formatting of papers
* function for automatically generating missing bibtex keys
* url in generated bibtex correctly refer to stored files

Version 0.3

* can print all the bibtexs
* help available when editing a paper
* can change the order of the authors of a paper
* can insert authors and categories on the fly
* check for empty or already existing authors and categories
  during insertion/modification
* use of CSS
* generate url in bibtexs
* paper search mechanism
* show all the details of a paper in a separate page

Version 0.2

* add a paper by inserting a bibtex entry
* added the 'bibtex' field in paper
* can generate a bibtex entry dynamically
* added the 'type' field in paper (i.e., InProceedings, Article, etc.)
* show all paper details when showing the list of papers for editing and deleting
* abstract are shown with the inserted newlines
* show abstract link only if the abstract is not empty