New in version 1.0.4, 13 March 2015:
    * bug fix in constructor: objects are now constructed correctly when only one sample is included in the object

New in version 1.0.3, 23 February 2015:
    * clarification of docs/warning messages when "time" variable has too few timepoints to fit natural splines
    * bug fix in subset function: factor levels that don't appear in subset pData are now dropped

New in version 1.0.2, 20 February 2015:
    * bug fix in plotting of single-transcript genes

New in version 1.0.1, 5 November 2014:
    * bug fix in constructor function: quotes in input files from tablemaker are now properly read in.

Version 0.99.7 was moved into bioc-release and became version 1.0.0. 

New in version 0.99.7, 7 October 2014:
    * new methods for accessing gene and transcript names and IDs
    * development package (on GitHub) now has Travis CI integration, so the package's is built/tested with every new push and a status image is visible on the package README

New in version 0.99.6, 22 September 2014:
    * ballgownrsem can now handle gzipped input files
    * small fixes to eliminate warnings/errors on R CMD CHECK

New in version 0.99.5, 16 September 2014:
    * "subset" function now behaves appropriately if sampleNames contain  "dot" characters

New in version 0.99.4, 21 August 2014:
    * Tablemaker source code moved out of Ballgown repository (both GitHub and BioC svn repos)

New in version 0.99.3, 18 August 2014:
    * `exprfilter` function added

New in version 0.99.2, 13 August 2014:
    * `ballgownrsem` function added (now compatible with RSEM output)
    * RSEM slot added to ballgown S4 class
    * bug fixes in `subset` function
    * library size adjustment in `stattest` is now CSS normalization (using *log* FPKM) by default and is more customizable

Version 0.99.1 was released on Bioconductor on 28 July 2014

New in version 0.99.0, 22 July 2014 (updates from alpha release):
    * "meas" argument added to constructor function
    * unit tests added
    * vignette updated
    * several bug fixes in plotting functions and statistical testing function

Alpha release, 30 March 2014:
    * package announced