Log Message:
Update 3.28 to 3.31
-------------------
3.31 - 2015-03-12
    * Regen todo files to sync with blead

3.30 - 2015-03-05
    * Update typemap to account for STRLEN added in
      3.29, which prevented compiling on older Perls

3.29 - 2015-03-05
    * Fix issue found by Coverity
      (Thanks to Dave M. for patch)