Ensure that layers exist before adding MapWithAI layer
This fixes #52, since there was a condition where two threads were waiting on the other to release a lock.
Signed-off-by: Taylor Smock taylor.smock@kaart.com
This fixes #52, since there was a condition where two threads were waiting on the other to release a lock.
Signed-off-by: Taylor Smock taylor.smock@kaart.com