ctx: Add stuff from talk with darktama.
ctx: Add stuff from talk with darktama.

Bitfield sized may be off, flags may be off, and maybe I even confused
yes with no in some conditions.

karolherbst/envytools,MoochMcGee/envytools,pierremoreau/envytools,grate-driver/envytools,kfractal/envytools,grate-driver/envytools,MoochMcGee/envytools,envytools/envytools,karolherbst/envytools,envytools/envytools,envytools/envytools,envytools/envytools,pierremoreau/envytools,grate-driver/envytools,grate-driver/envytools,kfractal/envytools,kfractal/envytools,karolherbst/envytools,pierremoreau/envytools,pierremoreau/envytools,kfractal/envytools,kfractal/envytools,hakzsam/envytools,pierremoreau/envytools,hakzsam/envytools,grate-driver/envytools,MoochMcGee/envytools,MoochMcGee/envytools,envytools/envytools,karolherbst/envytools,karolherbst/envytools,hakzsam/envytools,hakzsam/envytools,hakzsam/envytools,MoochMcGee/envytools