Gear cable head stuck in Shimano Sora lever During the replacement of gear cable (Shimano Sora 2017 brake/gear levers), I incorrectly threaded the gear cable, gave it a little tug, and now the head of the cable is stuck in the lever housing, wedged between the wheel which adjusts gear position and the housing.

My removal attempts thus far have totaled around an hour, and have included trying to lever out the head with a small allen key, and trying to hook a string around it.  

Has anyone had this problem before?  Is there a way to dismantle the lever to an extent where this would become accessible?
In the interests of closing the question I'll answer it.  

I took it to a shop and the mechanic managed to pry it out using a tool a little like a screwdriver (but with a pointed end) while applying pressure to the cable.