CHANGES IN VERSION 1.5.2
------------------------

USER VISIBLE CHANGES

    o Rename GenenameFilter into GeneNameFilter and deprecate GenenameFilter
      (issue #22).


CHANGES IN VERSION 1.3.1
------------------------

NEW FEATURES

    o Add DoubleFilter


CHANGES IN VERSION 1.1.2
------------------------

NEW FEATURES

    o supportFilters returns a data.frame with filter class name and field.


CHANGES IN VERSION 0.99.5
--------------------------

NEW FEATURES

    o Add convertFilterExpressionQuoted function.
    o Add field method.
