Update sequtils.nim
Update sequtils.nim

Renamed param name 'pred' to 'op' in mapIt template to better correspond with map proc in system module
douglas-larocca/Nim,sarvex/Nim-lang,bvssvni/Nim,sferik/Nim,xland/Nim,zachaysan/Nim,fredericksilva/Nim,kirbyfan64/Nim,jsanjuas/Nim,bvssvni/Nim,douglas-larocca/Nim,haiodo/Nim,gokr/Nim,msmith491/Nim,russpowers/Nim,Senketsu/Nim,xland/Nim,tmm1/Nim,russpowers/Nim,fredericksilva/Nim,singularperturbation/Nim,singularperturbation/Nim,fredericksilva/Nim,russpowers/Nim,Salafit/Nim,fmamud/Nim,endragor/Nim,nimLuckyBull/Nim,singularperturbation/Nim,kirbyfan64/Nim,russpowers/Nim,zachaysan/Nim,jfhg/Nim,BlaXpirit/nim,Salafit/Nim,russpowers/Nim,JCavallo/Nim,tmm1/Nim,jfhg/Nim,nafsaka/Nim,JCavallo/Nim,Salafit/Nim,judofyr/Nim,xland/Nim,nanoant/Nim,nimLuckyBull/Nim,jsanjuas/Nim,SSPkrolik/Nim,fmamud/Nim,douglas-larocca/Nim,fredericksilva/Nim,nanoant/Nim,douglas-larocca/Nim,douglas-larocca/Nim,dom96/Nim,sferik/Nim,SSPkrolik/Nim,MrJohz/Nim,dom96/Nim,JCavallo/Nim,nimLuckyBull/Nim,Matt14916/Nim,fredericksilva/Nim,judofyr/Nim,reactormonk/nim,reactormonk/nim,dom96/Nim,JCavallo/Nim,reactormonk/nim,judofyr/Nim,Matt14916/Nim,douglas-larocca/Nim,judofyr/Nim,kirbyfan64/Nim,gokr/Nim,jfhg/Nim,kirbyfan64/Nim,msmith491/Nim,bvssvni/Nim,endragor/Nim,nanoant/Nim,MrJohz/Nim,msmith491/Nim,nafsaka/Nim,endragor/Nim,haiodo/Nim,nimLuckyBull/Nim,nanoant/Nim,Senketsu/Nim,sferik/Nim,Dhertz/Nim,tmm1/Nim,judofyr/Nim,gokr/Nim,mbaulch/Nim,bvssvni/Nim,Salafit/Nim,Dhertz/Nim,BlaXpirit/nim,Salafit/Nim,fmamud/Nim,nanoant/Nim,sarvex/Nim-lang,reactormonk/nim,tmm1/Nim,Dhertz/Nim,xland/Nim,MrJohz/Nim,endragor/Nim,nanoant/Nim,kirbyfan64/Nim,sferik/Nim,Senketsu/Nim,gokr/Nim,fmamud/Nim,Dhertz/Nim,SSPkrolik/Nim,tulayang/Nim,gokr/Nim,haiodo/Nim,JCavallo/Nim,tmm1/Nim,mbaulch/Nim,SSPkrolik/Nim,xland/Nim,greyanubis/Nim,JCavallo/Nim,haiodo/Nim,gokr/Nim,singularperturbation/Nim,BlaXpirit/nim,jsanjuas/Nim,dom96/Nim,zachaysan/Nim,mbaulch/Nim,endragor/Nim,MrJohz/Nim,nimLuckyBull/Nim,tulayang/Nim,SSPkrolik/Nim,dom96/Nim,fmamud/Nim,BlaXpirit/nim,greyanubis/Nim,Matt14916/Nim,jsanjuas/Nim,mbaulch/Nim,kirbyfan64/Nim,msmith491/Nim,jsanjuas/Nim,tulayang/Nim,nafsaka/Nim,msmith491/Nim,bvssvni/Nim,zachaysan/Nim,tulayang/Nim,BlaXpirit/nim,Salafit/Nim,xland/Nim,Dhertz/Nim,bvssvni/Nim,gokr/Nim,jfhg/Nim,msmith491/Nim,reactormonk/nim,Matt14916/Nim,dom96/Nim,msmith491/Nim,Dhertz/Nim,judofyr/Nim,Senketsu/Nim,greyanubis/Nim,russpowers/Nim,jsanjuas/Nim,judofyr/Nim,nafsaka/Nim,Matt14916/Nim,greyanubis/Nim,fredericksilva/Nim,singularperturbation/Nim,russpowers/Nim,SSPkrolik/Nim,BlaXpirit/nim,sarvex/Nim-lang,haiodo/Nim,sarvex/Nim-lang,MrJohz/Nim,sferik/Nim,sferik/Nim,nimLuckyBull/Nim,SSPkrolik/Nim,fmamud/Nim,zachaysan/Nim,sarvex/Nim-lang,zachaysan/Nim,jsanjuas/Nim,Senketsu/Nim,tmm1/Nim,SSPkrolik/Nim,nafsaka/Nim,Salafit/Nim,Senketsu/Nim,Senketsu/Nim,singularperturbation/Nim,nimLuckyBull/Nim,mbaulch/Nim,fmamud/Nim,judofyr/Nim,douglas-larocca/Nim,jfhg/Nim,mbaulch/Nim,haiodo/Nim,BlaXpirit/nim,jfhg/Nim,gokr/Nim,JCavallo/Nim,sferik/Nim,Dhertz/Nim,fredericksilva/Nim,greyanubis/Nim,sarvex/Nim-lang,nafsaka/Nim,MrJohz/Nim,tmm1/Nim,douglas-larocca/Nim,dom96/Nim,endragor/Nim,nafsaka/Nim,reactormonk/nim,kirbyfan64/Nim,endragor/Nim,Matt14916/Nim,fredericksilva/Nim,singularperturbation/Nim,jfhg/Nim,mbaulch/Nim,haiodo/Nim,tulayang/Nim,zachaysan/Nim,BlaXpirit/nim,reactormonk/nim,tulayang/Nim,kirbyfan64/Nim,MrJohz/Nim,sarvex/Nim-lang,bvssvni/Nim,greyanubis/Nim,Matt14916/Nim,reactormonk/nim,nanoant/Nim,greyanubis/Nim,sferik/Nim,xland/Nim