Adds brief intro to hashes module.
Adds brief intro to hashes module.

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