Adds generic split proc to sequtils.
Adds generic split proc to sequtils.

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