Improve documentation of strictness properties
Improve documentation of strictness properties

meiersi/psqueues-old,hvr/containers,ekmett/containers,ekmett/containers,Zigazou/containers,shockkolate/containers,Zigazou/containers,iu-parfunc/containers,Zigazou/containers,iu-parfunc/containers,ekmett/containers,hvr/containers,hvr/containers,shockkolate/containers,shockkolate/containers,iu-parfunc/containers