bugfix: MS GC acknowledges GC_ref/unref properly
bugfix: MS GC acknowledges GC_ref/unref properly

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