Oil Reservoir filled with gas?

So I spoke with Arian at Flight Design USA about this yesterday and wondered if anyone else has experienced this. I have a 2014 CTLSi. I had an annual done in November, and flew maybe 10-15 hours after. I haven't taken the plane out or ran it since probably December. Yesterday I went to the Airport to go fly for the first time in forever. When I opened the door to the oil reservoir and took the dip stick out and laid it on a paper towel the oil level seemed fine and the oil was a nice brand new amber color. I burped the prop and walked back over to the side to take a measurement with the dipstick and to my surprise oil was flowing out of the canister, into my cowling, down my muffler and dripping all over my front tire fairing. Looking inside the reservoir with a flashlight revealed the oil level is literally 1" from the top of the reservoir. I know my AP didn't overfill the oil during the annual as I had flown several times after and never had this problem occur. 

Arian said he hasn't heard of this before given it's fuel injected but said that it's possible that over 6 months I had a very small amount of fuel leaking through the injectors that would have been pushed into the oil reservoir when I burped the prop. Someone also said that would make sense. I can assure you from here out I'll be shutting off my fuel every time I exit the plane. 

The remedy I have gone over with them is to drain my oil take maybe 6 oz. Put the drain plug back in, burp the prop a ton of times forcing whatever oil/fuel mixture I still have in the crank out back into the oil reservoir. Drain the reservoir completely, and do a fresh oil change. I plan to do this tomorrow morning and hopefully fly tomorrow. Has anyone else ever ran into this? I use 100LL.