Changes in version 1.2.2                        

    o   Fix path issue on windows again

                 Changes in version 1.2.1 (2015-01-27)                  

    o   Fix path issue on windows

    o   Add tests

                  Changes in version 1.2 (2014-11-12)                   

    o   Massive code simplification

    o   No more dependency on htmltools

    o   Removed pdf_tufte_handout because that is included with rmarkdown

                         Changes in version 1.1                         

    o   fix to be compatible with htmltools_0.2.6