[Plugin: Event Calendar / Scheduler] Dates Revert

Hi,
I installed your plugin, and have entered my dates, must of which repeat. I have found a couple of issues with it, which I’d be very gratefull if you could help me with.
First, if you enter a event under the correct date and programme it’s repeat, it works fine. But, if you then go back to edit it, it resets it to a much earlier date, so you have to manually change the dates each time you edit an event.
The other problem involves missing dates. I have enters some events as recurring. As I go through the weeks, I find blanks here and there. as if one day in the middle of a repeating event has been deleted. If I try to enter a single event to cover the missing slot, it appears to work fine, but then disappears.
Finally, If I look at the backend of the entries, they all appear under a single date, even though they all have different starting dates and times. Stranger still, this date isn’t the date they were entered, but the weeks start date.
Any help would be welcomed.