Version: 2.0
Date: 2012-05-06
Category: Because of the limitations of calling through hubmed.org,
        RISmed now downloads
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Version: 2.0
Date: 2012-05-06
Category: content directly from NCBI. This has required major revisions
        to the package including the
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Version: 2.0
Date: 2012-05-06
Category: dropping of the Reference class and export functions.
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Version: 2.0
Date: 2012-05-06
Category: The name of the package will be retained but its design will
        focus on getting NCBI content for analysis not for reference
        management
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Version: 2.0
Date: 2012-05-06
Category: The current version has the main advantages of no longer
        having a reference limit to downloaded records. It also can
        access any valid Entrez database. It still sucks because there
        is not much processing of content so 2.0 should be considered
        an alpha version
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Version: 2.0.1
Date: 2012-05-08
Category: Changed id, count, translation to QueryID, QueryCount, and
        QueryTranslation so that there would be no naming conflict with
        the plyr package
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Version: 2.0.1
Date: 2012-05-08
Category: Created Medline class to process output for E-fetch from
        PubMed database
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Version: 2.0.1
Date: 2012-05-08
Category: Usage disclaimer added
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Version: 2.1.0
Date: 2013-05-09
Category: Corrected web link; Added MeSH Terms for MEDLINE object
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Version: 2.1.1
Date: 2013-12-13
Category: Revised fields to accept bracketed (foreign-language) titles
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Version: 2.1.2
Date: 2014-01-26
Category: Fixed bug with author field for cases with missing
        forename/middle name; Fixed error message for queries with no
        result and instead return EUtilsSummary object with "0" record
        count
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Version: 2.1.3
Category: Corrected problem with extraction of publication date
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Version: 2.1.4
Date: 2015-01-26
Category: Changed Publication Type to list to allow for multiple types
        to be extracted from Pubmed records
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Version: 2.1.5
Date: 2015-03-04
Category: Add method Cited for Medline and EUtilsSummary classes. Fixed
        bug with Day extractor. Expanded date extractors for Medline
        object (Year, Month, Day, Hour, Minute) to allow dates for the
        following events in article publication history: accepted,
        received, epublish, ppublish, pmc, and pubmed. Corrected issue
        with structured abstracts
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Version: 2.1.6
Date: 2016-11-02
Category: Added concatenate method for Medline class
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Version: 2.1.7
Date: 2017-06-06
Category: Added additional Affiliations to Affiliation method, now
        returns a list of all affiliations in the same order as the
        authors
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Version: 2.1.8
Category: Added COIStatement to Medline methods
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Version: 2.1.9
Category: Added names to Affiliations to link to authors
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Version: 2.1.10
Category: Changes value identification to take anything between <> in
        the event special characters are present
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Version: 2.1.11
Category: Fixed doi vs pii, added additional date variables, and fixed
        bug with structured abstracts
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Version: 2.2
Date: 2020-10-29
Category: Rebuild for R version 3.6.2 and put dependency on R >= 3.6.0
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Version: 2.3.0
Date: 2021-07-05
Category: Adds xml2 to read in xml records and ensure a reliable
        structure. Parses XML as a list. Add Keywords and Citations to
        Medline object
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Version: 2.3.1
Category: Adds methods for books. Corrects some bugs in a few Medline
        object output (DOI, ISSN, etc
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