Version 1.0.3
------------------  
Update to only use https
    * NCBI is goinh all https, rentrez will only use https from now on.
    * Added links to repo/bug reporting to DESCRIPTION 
    * Documented changes to sequence database XML records
    * Allow automatic parsing of XML flavours


Version 1.0.2
-------------------
Bug fix release
    * Tests now work with testthat 1.0.0 
    * All calls to ncbi specify encoding is UTF-8 (saving error messages)
    * HTTP Error codes associated with large requests now give the user a hint
      to check out the documentation for web-history features

Version 1.0.1
-------------------
Bug fix release
    * Properly format "by_id" mode URLS (bug exposed by httr 1.0.1)
    * Handle case in which some IDs passed to "by_id" mode are invalide (thanks
      Zachary Foster for report)
    * Documentation updated to reflect OMIM->SNP links no longer possible
    * Use Rmarkdown (not knitr) as vignette builder
    * Return NCBI error messages are text when they exist

Version 1.0.0
--------------------
    * new function extract_from_esummary() for extracting like-named elements
      from a list esummary records (e.g. get all "Title" fields from a list of 
      PubMed esummaries)
    * Support for `cmd` option in entrez_link (breaks backward compatibility)
        * Allows discovery of external links from and use of web_history
        * New helper function linkout_urls to get URLs form external links
    * Support for 'by_id' mode for entrez_link. Pass a vector of IDs to
      entrez_link, (optionally) get a list on elink objects back (one per ID)
    * New web_history object makes using NCBI Web History features easier
    * All of these changes documented in new vignette
    * Han Guangchun added as contributor for his pull requests 
    * New tests, minor bug fixes and extended documentation



Version 0.4.1
---------------------
* Bug fix: The example for entrez_summary contained a typo which made it fail
  (being wrapped in dontest this hadn't previously shown up).

Version 0.4
------------------------
 * entrez_summary now fetches 'version 2.0' esummary records from NCBI
     * This change may break some scripts. In particular, the names of some
       elements in esummary records have changed. Broken scripts shold produce a
       helpful error message, and using entrez_summary(..., version="1.0")
       should fix it. More details are given in the help to entrez_summary. 
     * When version 2.0 records are requested entrez_summary fetches the json
       record.
 * New helper functions for einfo Eutil
    * entrez_dbs() lists avaliable databases.
    * entrez_db_summary() gets summary information about a given database.  
    * entrez_db_links() lists databases against which a given db's records might
      be cross referenced.
    * entrez_db_searchable() lists search terms avaliable for a given database.
 * Nicer print functions for search and summary objects
 * New dependancy on jsonlite for handling json records.
 * Bunch of bugs squashed and typos cleaned up

Version 0.3.1
------------------------
    * Squashed a bug in the vignette which wrote to users $HOME

Version 0.3
------------------------
    * using httr to handle HTTP GETs and some url building
    * parsing for esummary parsing for clinvar database
    * Scott Chamberlain added as contributer for above
    * Pubmed parser handles multi-record files
    * html vignette included

Version 0.2.4
-------------------------
    * minor release to fix bug in esummary parsing

Version 0.2.3
---------------------------------
    * Edited license/description to meet CRAN requiremens
    * Added sentence to description to summarise the package


Version 0.2.2
--------------------------------

    * Parsing of esummary xmls is now much nicer. 
    * S3 items to represent most results
    * Tests to cover all functions


Version 0.1.1
---------------------------------
    * First release on CRAN + now part of ROpenSci
    * Functions cover the whole EUtils API
