Added rough comments to most things after talking to Ranjeet
Added rough comments to most things after talking to Ranjeet

roijo/C-PAC_complexitytools,sgiavasis/C-PAC,danlurie/C-PAC,danlurie/C-PAC,roijo/C-PAC_complexitytools,sgiavasis/C-PAC,sgiavasis/C-PAC,roijo/C-PAC_complexitytools,danlurie/C-PAC,sgiavasis/C-PAC,danlurie/C-PAC,roijo/C-PAC_complexitytools