rem: void              setRecurMinutely(int freq, int count)                                            { setRecurMinutely(freq, count, QDateTime()); }
add: void              setRecurMinutely(int freq, const QDateTime& end)                                 { setRecurMinutely(freq, 0, end); }
context: 		void              setRecurMinutely(int freq, int count)                                            { setRecurMinutely(freq, count, QDateTime()); }