Version 1.1
2014-11-24 (Tom Cox) Minor bugs fixed. Vignette added
2014-11-24 (Tom Cox) E-mail address changed

Version 1.2
2016-09-15 (Tom Cox) Minor bug fixed.

Version 2.0
2017-08-24 (Lennert Schepers and Tom Cox) Added summary.Tides
2017-08-24 (Tom Cox and Lennert Schepers) Added RemoveGaps
2017-08-24 (Lennert Schepers) Minor bugs fixed

Version 2.1
2018-08-02 (Tom Cox) Bugs fixed related to gaps in series