Adds posix.timegm(), brother of posix.mktime().
Adds posix.timegm(), brother of posix.mktime().

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