Fix &stl reset to global value when new file is loaded
Fix &stl reset to global value when new file is loaded

Fixes #241
Ref #240

Luffin/powerline,S0lll0s/powerline,kenrachynski/powerline,darac/powerline,prvnkumar/powerline,magus424/powerline,lukw00/powerline,kenrachynski/powerline,bartvm/powerline,areteix/powerline,bezhermoso/powerline,firebitsbr/powerline,magus424/powerline,wfscheper/powerline,wfscheper/powerline,blindFS/powerline,firebitsbr/powerline,firebitsbr/powerline,IvanAli/powerline,lukw00/powerline,DoctorJellyface/powerline,QuLogic/powerline,keelerm84/powerline,s0undt3ch/powerline,blindFS/powerline,junix/powerline,seanfisk/powerline,xxxhycl2010/powerline,seanfisk/powerline,xfumihiro/powerline,DoctorJellyface/powerline,Liangjianghao/powerline,areteix/powerline,QuLogic/powerline,prvnkumar/powerline,xfumihiro/powerline,blindFS/powerline,QuLogic/powerline,S0lll0s/powerline,s0undt3ch/powerline,magus424/powerline,bezhermoso/powerline,EricSB/powerline,junix/powerline,EricSB/powerline,russellb/powerline,keelerm84/powerline,russellb/powerline,seanfisk/powerline,russellb/powerline,wfscheper/powerline,Liangjianghao/powerline,xfumihiro/powerline,dragon788/powerline,bartvm/powerline,bezhermoso/powerline,dragon788/powerline,EricSB/powerline,kenrachynski/powerline,junix/powerline,Luffin/powerline,IvanAli/powerline,darac/powerline,prvnkumar/powerline,dragon788/powerline,s0undt3ch/powerline,IvanAli/powerline,lukw00/powerline,Luffin/powerline,S0lll0s/powerline,darac/powerline,cyrixhero/powerline,xxxhycl2010/powerline,cyrixhero/powerline,cyrixhero/powerline,xxxhycl2010/powerline,Liangjianghao/powerline,areteix/powerline,DoctorJellyface/powerline,bartvm/powerline