Kuddo's on getting relief from the gas! Your sinus's are cleaning out toxin's and other pollutants that are on the move, now that you have started to clean up your liver.
Your body is trying to remove all unwanted materials, you can probably help yourself clean out with a bowel cleanse, your "cold" symtoms with leave that much faster.
This is not a bad thing to have a runny nose, it just means you'll get healther faster!!