USE

  for tide  : https://tide.seeyou.de/tide.php?key=[key]
              options       : count=[n]

              authentication: userid=[n]
                              userkey=[str]


  for events: https://tide.seeyou.de/events.php?key=[key]
              options       : count=[n]
                              begin=[date]
                              end=[date]
                              days=[n]
                              type=[types]

              authentication: userid=[n]
                              userkey=[str]

key  : 
       bremerhaven
       cuxhaven
       dorum
       wremen
       spieka
       otterndorf
       belum
       osten

n    : integer

str  : string

date : date (dd-mm-yyyy)

types: 
       tide
       lunar
       sunmoon
         (comma [,] separated)