Add docs for constraining and qualifying imports.
Add docs for constraining and qualifying imports.

fredericksilva/Nim,endragor/Nim,zachaysan/Nim,xland/Nim,SSPkrolik/Nim,Senketsu/Nim,russpowers/Nim,Salafit/Nim,singularperturbation/Nim,Dhertz/Nim,nafsaka/Nim,bvssvni/Nim,Senketsu/Nim,russpowers/Nim,singularperturbation/Nim,douglas-larocca/Nim,sferik/Nim,Dhertz/Nim,russpowers/Nim,bvssvni/Nim,MrJohz/Nim,reactormonk/nim,douglas-larocca/Nim,tmm1/Nim,fmamud/Nim,judofyr/Nim,gokr/Nim,kirbyfan64/Nim,nimLuckyBull/Nim,Salafit/Nim,greyanubis/Nim,gokr/Nim,msmith491/Nim,BlaXpirit/nim,jsanjuas/Nim,nimLuckyBull/Nim,jsanjuas/Nim,jsanjuas/Nim,greyanubis/Nim,Dhertz/Nim,tmm1/Nim,Salafit/Nim,nafsaka/Nim,douglas-larocca/Nim,endragor/Nim,dom96/Nim,tulayang/Nim,msmith491/Nim,gokr/Nim,tmm1/Nim,MrJohz/Nim,JCavallo/Nim,endragor/Nim,BlaXpirit/nim,haiodo/Nim,singularperturbation/Nim,reactormonk/nim,mbaulch/Nim,MrJohz/Nim,mbaulch/Nim,greyanubis/Nim,JCavallo/Nim,fmamud/Nim,douglas-larocca/Nim,haiodo/Nim,fredericksilva/Nim,russpowers/Nim,BlaXpirit/nim,bvssvni/Nim,mbaulch/Nim,singularperturbation/Nim,zachaysan/Nim,kirbyfan64/Nim,xland/Nim,sarvex/Nim-lang,mbaulch/Nim,fredericksilva/Nim,Matt14916/Nim,reactormonk/nim,judofyr/Nim,jfhg/Nim,endragor/Nim,Senketsu/Nim,bvssvni/Nim,Salafit/Nim,msmith491/Nim,fredericksilva/Nim,douglas-larocca/Nim,kirbyfan64/Nim,zachaysan/Nim,JCavallo/Nim,SSPkrolik/Nim,judofyr/Nim,greyanubis/Nim,jfhg/Nim,nimLuckyBull/Nim,dom96/Nim,dom96/Nim,gokr/Nim,sferik/Nim,MrJohz/Nim,jfhg/Nim,mbaulch/Nim,jfhg/Nim,zachaysan/Nim,judofyr/Nim,russpowers/Nim,haiodo/Nim,SSPkrolik/Nim,jfhg/Nim,SSPkrolik/Nim,Senketsu/Nim,kirbyfan64/Nim,JCavallo/Nim,singularperturbation/Nim,nanoant/Nim,fmamud/Nim,SSPkrolik/Nim,Matt14916/Nim,Salafit/Nim,sarvex/Nim-lang,sarvex/Nim-lang,xland/Nim,endragor/Nim,nanoant/Nim,haiodo/Nim,BlaXpirit/nim,fmamud/Nim,nanoant/Nim,fmamud/Nim,Matt14916/Nim,dom96/Nim,nanoant/Nim,Dhertz/Nim,greyanubis/Nim,nimLuckyBull/Nim,dom96/Nim,sferik/Nim,msmith491/Nim,nafsaka/Nim,endragor/Nim,SSPkrolik/Nim,greyanubis/Nim,fredericksilva/Nim,msmith491/Nim,xland/Nim,haiodo/Nim,Dhertz/Nim,reactormonk/nim,mbaulch/Nim,gokr/Nim,SSPkrolik/Nim,jsanjuas/Nim,zachaysan/Nim,nimLuckyBull/Nim,fmamud/Nim,jsanjuas/Nim,sferik/Nim,douglas-larocca/Nim,jsanjuas/Nim,nafsaka/Nim,nimLuckyBull/Nim,tmm1/Nim,tulayang/Nim,BlaXpirit/nim,Senketsu/Nim,jsanjuas/Nim,MrJohz/Nim,jfhg/Nim,sferik/Nim,reactormonk/nim,Matt14916/Nim,sarvex/Nim-lang,xland/Nim,tulayang/Nim,reactormonk/nim,bvssvni/Nim,tmm1/Nim,sarvex/Nim-lang,kirbyfan64/Nim,greyanubis/Nim,Matt14916/Nim,BlaXpirit/nim,MrJohz/Nim,gokr/Nim,tmm1/Nim,kirbyfan64/Nim,tulayang/Nim,sarvex/Nim-lang,fredericksilva/Nim,russpowers/Nim,SSPkrolik/Nim,sferik/Nim,Senketsu/Nim,Salafit/Nim,reactormonk/nim,Salafit/Nim,gokr/Nim,singularperturbation/Nim,russpowers/Nim,fredericksilva/Nim,bvssvni/Nim,nanoant/Nim,Dhertz/Nim,kirbyfan64/Nim,BlaXpirit/nim,nanoant/Nim,Matt14916/Nim,Matt14916/Nim,Senketsu/Nim,sarvex/Nim-lang,sferik/Nim,gokr/Nim,nafsaka/Nim,tulayang/Nim,MrJohz/Nim,douglas-larocca/Nim,fredericksilva/Nim,dom96/Nim,JCavallo/Nim,msmith491/Nim,reactormonk/nim,singularperturbation/Nim,judofyr/Nim,msmith491/Nim,dom96/Nim,bvssvni/Nim,nafsaka/Nim,JCavallo/Nim,xland/Nim,judofyr/Nim,nafsaka/Nim,endragor/Nim,judofyr/Nim,zachaysan/Nim,nimLuckyBull/Nim,judofyr/Nim,JCavallo/Nim,Dhertz/Nim,haiodo/Nim,haiodo/Nim,fmamud/Nim,tulayang/Nim,nanoant/Nim,sferik/Nim,xland/Nim,douglas-larocca/Nim,BlaXpirit/nim,zachaysan/Nim,tmm1/Nim,mbaulch/Nim,kirbyfan64/Nim,jfhg/Nim