0.2.1, 07-Apr-2014 -- Python3 support.

0.2.0, 06-Aug-2013 -- Moved CTDProfile to a separated module.
                      special remarks to:
                          * CTDProfile class (pandas DataFrame for CTDs).
                          * time_series methods to extend pandas Series.

0.1.0, 26-Jun-2012 -- Added several of new functions and sub-modules with
                      special remarks to:
                          * CTDProfile class (pandas DataFrame for CTDs).
                          * time_series methods to extend pandas Series.

0.0.1, 13-Oct-2011 -- Initial release.
