Add description about shell values
Add description about shell values

Add description, discussed in issue https://github.com/KrauseFx/fastlane/issues/422
nafu/fastlane,jaleksynas/fastlane,kohtenko/fastlane,ExtremeMan/fastlane,lottadot/fastlane,tunanosuke/fastlane,taquitos/fastlane,bgannin/fastlane,joshrlesch/fastlane,lyndsey-ferguson/fastlane,fastlane/fastlane,ashfurrow/fastlane,Acorld/fastlane,bolom/fastlane,mbogh/fastlane,birmacher/fastlane,soxjke/fastlane,lyndsey-ferguson/fastlane,fabiomassimo/fastlane,iCell/fastlane,manuyavuz/fastlane,smallmiro/fastlane,fastlane/fastlane,innovalonia/fastlane,st3fan/fastlane,tcurdt/fastlane,neonichu/fastlane,tommeier/fastlane,SiarheiFedartsou/fastlane,fastlane/fastlane,smallmiro/fastlane,vronin/fastlane,lacostej/fastlane,mgrebenets/fastlane,ExtremeMan/fastlane,carlosefonseca/fastlane,rimarsh/fastlane,dowjones/fastlane,revile/fastlane,neonichu/fastlane,cpk1/fastlane,tommeier/fastlane,cpunion/fastlane,sschlein/fastlane,jzallas/fastlane,kndl/fastlane,olegoid/fastlane,sschlein/fastlane,oronbz/fastlane,SiarheiFedartsou/fastlane,manuyavuz/fastlane,lmirosevic/fastlane,SemenovAlexander/fastlane,bassrock/fastlane,yaoxiaoyong/fastlane,iCell/fastlane,javibm/fastlane,thasegaw/fastlane,bolom/fastlane,RishabhTayal/fastlane,danielbowden/fastlane,tmtrademarked/fastlane,enozero/fastlane,manuyavuz/fastlane,tmtrademarked/fastlane,sylvek/fastlane,cpk1/fastlane,samgreen/fastlane,rimarsh/fastlane,fcy/fastlane,pmwheatley/fastlane,KrauseFx/fastlane,jeeftor/fastlane,lacostej/fastlane,jzallas/fastlane,dowjones/fastlane,Acorld/fastlane,Acorld/fastlane,busce/fastlane,aziz-boudi4/fastlane,SiarheiFedartsou/fastlane,thelvis4/fastlane,nafu/fastlane,SemenovAlexander/fastlane,luongm/fastlane,rafaortiz/fastlane,marcelofabri/fastlane,jeeftor/fastlane,mgamer/fastlane,futuretap/fastlane,taquitos/fastlane,giginet/fastlane,Liquidsoul/fastlane,marcelofabri/fastlane,kohtenko/fastlane,phatblat/fastlane,Liquidsoul/fastlane,vronin/fastlane,oysta/fastlane,lmirosevic/fastlane,esttorhe/fastlane,nafu/fastlane,enozero/fastlane,sylvek/fastlane,luongm/fastlane,manuyavuz/fastlane,taquitos/fastlane,javibm/fastlane,milch/fastlane,rimarsh/fastlane,iCell/fastlane,Srthk/fastlane,mathiasAichinger/fastlane,phatblat/fastlane,Econa77/fastlane,tcurdt/fastlane,sinoru/fastlane,iMokhles/fastlane,iCell/fastlane,matthewellis/fastlane,joshdholtz/fastlane,billypchan/fastlane,samanalysis/fastlane,RishabhTayal/fastlane,iMokhles/fastlane,SandyChapman/fastlane,javibm/fastlane,tommeier/fastlane,henriqueiv/fastlane,joshdholtz/fastlane,st3fan/fastlane,marcelofabri/fastlane,jaleksynas/fastlane,Bogon/fastlane,mandrizzle/fastlane,kazuhidet/fastlane,ExtremeMan/fastlane,KingOfBrian/fastlane,mgamer/fastlane,st3fan/fastlane,Sajjon/fastlane,mbogh/fastlane,revile/fastlane,Sajjon/fastlane,neonichu/fastlane,Sajjon/fastlane,joshdholtz/fastlane,NicholasFFox/fastlane,Fanagame/fastlane,RishabhTayal/fastlane,1yvT0s/fastlane,SemenovAlexander/fastlane,SemenovAlexander/fastlane,zlienqwe/fastlane,RishabhTayal/fastlane,hjanuschka/fastlane,revile/fastlane,soxjke/fastlane,rimarsh/fastlane,Fanagame/fastlane,kndl/fastlane,jzallas/fastlane,vronin/fastlane,keatongreve/fastlane,revile/fastlane,danielbowden/fastlane,sschlein/fastlane,samgreen/fastlane,jaleksynas/fastlane,ashfurrow/fastlane,bgannin/fastlane,Liquidsoul/fastlane,ldiqual/fastlane,adellibovi/fastlane,busce/fastlane,SiarheiFedartsou/fastlane,mgamer/fastlane,Liquidsoul/fastlane,taquitos/fastlane,mgrebenets/fastlane,pmwheatley/fastlane,carlosefonseca/fastlane,joshrlesch/fastlane,bgannin/fastlane,bolom/fastlane,ffittschen/fastlane,matthewellis/fastlane,mgrebenets/fastlane,thasegaw/fastlane,neonichu/fastlane,jaleksynas/fastlane,jaleksynas/fastlane,jfresen/fastlane,mgamer/fastlane,brbulic/fastlane,jfresen/fastlane,thelvis4/fastlane,tommeier/fastlane,olegoid/fastlane,giginet/fastlane,lacostej/fastlane,smallmiro/fastlane,farkasseb/fastlane,revile/fastlane,allewun/fastlane,fastlane/fastlane,samanalysis/fastlane,KrauseFx/fastlane,dowjones/fastlane,dral3x/fastlane,orta/fastlane,DmIvanov/fastlane,carlosefonseca/fastlane,cpk1/fastlane,fabiomassimo/fastlane,mgamer/fastlane,pubuim/fastlane,kndl/fastlane,farkasseb/fastlane,luongm/fastlane,cnbin/fastlane,fulldecent/fastlane,mbogh/fastlane,brbulic/fastlane,Econa77/fastlane,matthewellis/fastlane,tmtrademarked/fastlane,rimarsh/fastlane,adellibovi/fastlane,vronin/fastlane,cpk1/fastlane,JamesKuang/fastlane,ExtremeMan/fastlane,farkasseb/fastlane,allewun/fastlane,adamcohenrose/fastlane,tunanosuke/fastlane,Acorld/fastlane,tommeier/fastlane,oysta/fastlane,thasegaw/fastlane,cbowns/fastlane,kndl/fastlane,cbowns/fastlane,daveanderson/fastlane,knutigro/fastlane,zlienqwe/fastlane,jorgeazevedo/fastlane,vronin/fastlane,brbulic/fastlane,busce/fastlane,fhernandez173/fastlane,thelvis4/fastlane,SandyChapman/fastlane,powtac/fastlane,kazuhidet/fastlane,nafu/fastlane,iMokhles/fastlane,jorgeazevedo/fastlane,kndl/fastlane,lyndsey-ferguson/fastlane,NicholasFFox/fastlane,icecrystal23/fastlane,ashfurrow/fastlane,cpunion/fastlane,powtac/fastlane,bgannin/fastlane,jorgeazevedo/fastlane,taquitos/fastlane,enozero/fastlane,tpalmer/fastlane,cpunion/fastlane,manuyavuz/fastlane,busce/fastlane,futuretap/fastlane,jzallas/fastlane,Sajjon/fastlane,anurlybayev/fastlane,icecrystal23/fastlane,Liquidsoul/fastlane,lulu002/fastlane,NicholasFFox/fastlane,phatblat/fastlane,fabiomassimo/fastlane,danielbowden/fastlane,Fanagame/fastlane,fastlane/fastlane,futuretap/fastlane,Acorld/fastlane,neonichu/fastlane,adamcohenrose/fastlane,lyndsey-ferguson/fastlane,olegoid/fastlane,ffittschen/fastlane,dral3x/fastlane,daveanderson/fastlane,sschlein/fastlane,tcurdt/fastlane,adamcohenrose/fastlane,NicholasFFox/fastlane,adamcohenrose/fastlane,carlosefonseca/fastlane,SandyChapman/fastlane,matthewellis/fastlane,carlosefonseca/fastlane,henriqueiv/fastlane,mbogh/fastlane,soxjke/fastlane,bolom/fastlane,cpunion/fastlane,Sajjon/fastlane,yaoxiaoyong/fastlane,fcy/fastlane,ssmiech/fastlane,carlosefonseca/fastlane,icecrystal23/fastlane,revile/fastlane,fabiomassimo/fastlane,Liquidsoul/fastlane,tpalmer/fastlane,ExtremeMan/fastlane,manuyavuz/fastlane,hjanuschka/fastlane,fulldecent/fastlane,cbowns/fastlane,powtac/fastlane,fhernandez173/fastlane,kndl/fastlane,rimarsh/fastlane,bassrock/fastlane,oysta/fastlane,vittoriom/fastlane,ashfurrow/fastlane,SemenovAlexander/fastlane,milch/fastlane,jorgeazevedo/fastlane,dral3x/fastlane,manuyavuz/fastlane,fikeminkel/fastlane,cpk1/fastlane,mgrebenets/fastlane,dowjones/fastlane,lmirosevic/fastlane,cpunion/fastlane,fcy/fastlane,keatongreve/fastlane,nafu/fastlane,milch/fastlane,esttorhe/fastlane,cbowns/fastlane,bassrock/fastlane,smallmiro/fastlane,mbogh/fastlane,enozero/fastlane,tpalmer/fastlane,fabiomassimo/fastlane,mandrizzle/fastlane,icecrystal23/fastlane,ffittschen/fastlane,jfresen/fastlane,lacostej/fastlane,jfresen/fastlane,farkasseb/fastlane,ExtremeMan/fastlane,luongm/fastlane,enozero/fastlane,Acorld/fastlane,petester42/fastlane,SiarheiFedartsou/fastlane,lmirosevic/fastlane,Srthk/fastlane,phatblat/fastlane,keatongreve/fastlane,icecrystal23/fastlane,tmtrademarked/fastlane,oysta/fastlane,icecrystal23/fastlane,lmirosevic/fastlane,SandyChapman/fastlane,soxjke/fastlane,jeeftor/fastlane,thasegaw/fastlane,SemenovAlexander/fastlane,tcurdt/fastlane,st3fan/fastlane,bassrock/fastlane,nafu/fastlane,KrauseFx/fastlane,jeeftor/fastlane,petester42/fastlane,kazuhidet/fastlane,powtac/fastlane,kazuhidet/fastlane,brbulic/fastlane,bassrock/fastlane,iMokhles/fastlane,smallmiro/fastlane,emmaviolet/fastlane,Liquidsoul/fastlane,nafu/fastlane,taquitos/fastlane,dowjones/fastlane,carlosefonseca/fastlane,ssmiech/fastlane,Sajjon/fastlane,phatblat/fastlane,oysta/fastlane,st3fan/fastlane,sylvek/fastlane,luongm/fastlane,mgrebenets/fastlane,daveanderson/fastlane,joshdholtz/fastlane,bolom/fastlane,ldiqual/fastlane,pubuim/fastlane,busce/fastlane,farkasseb/fastlane,Fanagame/fastlane,cpsloal/fastlane,javibm/fastlane,adellibovi/fastlane,Acorld/fastlane,tommeier/fastlane,taquitos/fastlane,coolgo/fastlane,mathiasAichinger/fastlane,oysta/fastlane,dowjones/fastlane,dral3x/fastlane,cpk1/fastlane,thasegaw/fastlane,tcurdt/fastlane,billypchan/fastlane,innovalonia/fastlane,joshrlesch/fastlane,mgrebenets/fastlane,ssmiech/fastlane,oronbz/fastlane,bgannin/fastlane,thasegaw/fastlane,tpalmer/fastlane,adamcohenrose/fastlane,joshrlesch/fastlane,joshdholtz/fastlane,SandyChapman/fastlane,bgerstle/fastlane,adellibovi/fastlane,tmtrademarked/fastlane,futuretap/fastlane,tpalmer/fastlane,SandyChapman/fastlane,jfresen/fastlane,oysta/fastlane,SiarheiFedartsou/fastlane,st3fan/fastlane,dral3x/fastlane,neonichu/fastlane,emmaviolet/fastlane,Econa77/fastlane,fulldecent/fastlane,menkel/fastlane,anurlybayev/fastlane,lacostej/fastlane,thasegaw/fastlane,luongm/fastlane,adellibovi/fastlane,brbulic/fastlane,marcelofabri/fastlane,thelvis4/fastlane,KrauseFx/fastlane,smallmiro/fastlane,sinoru/fastlane,daveanderson/fastlane,bolom/fastlane,tmtrademarked/fastlane,phatblat/fastlane,cpk1/fastlane,oronbz/fastlane,mgrebenets/fastlane,ssmiech/fastlane,NicholasFFox/fastlane,javibm/fastlane,jaleksynas/fastlane,enozero/fastlane,fabiomassimo/fastlane,ffittschen/fastlane,menkel/fastlane,hjanuschka/fastlane,matthewellis/fastlane,hjanuschka/fastlane,birmacher/fastlane,iMokhles/fastlane,KrauseFx/fastlane,danielbowden/fastlane,sschlein/fastlane,soxjke/fastlane,allewun/fastlane,olegoid/fastlane,lacostej/fastlane,mandrizzle/fastlane,orta/fastlane,adellibovi/fastlane,olegoid/fastlane,keatongreve/fastlane,jfresen/fastlane,ssmiech/fastlane,Fanagame/fastlane,marcelofabri/fastlane,mathiasAichinger/fastlane,jzallas/fastlane,javibm/fastlane,powtac/fastlane,iCell/fastlane,lmirosevic/fastlane,danielbowden/fastlane,ExtremeMan/fastlane,farkasseb/fastlane,lyndsey-ferguson/fastlane,SemenovAlexander/fastlane,futuretap/fastlane,allewun/fastlane,vronin/fastlane,ssmiech/fastlane,sinoru/fastlane,buildkite/fastlane,allewun/fastlane,Sajjon/fastlane,lyndsey-ferguson/fastlane,jorgeazevedo/fastlane,fabiomassimo/fastlane,rafaortiz/fastlane,JamesKuang/fastlane,kazuhidet/fastlane,soxjke/fastlane,keatongreve/fastlane,sinoru/fastlane,thelvis4/fastlane,oronbz/fastlane,RishabhTayal/fastlane,adellibovi/fastlane,cpunion/fastlane,tpalmer/fastlane,Econa77/fastlane,lmirosevic/fastlane,sinoru/fastlane,adamcohenrose/fastlane,sylvek/fastlane,mandrizzle/fastlane,thelvis4/fastlane,jorgeazevedo/fastlane,fulldecent/fastlane,matthewellis/fastlane,brbulic/fastlane,DmIvanov/fastlane,Econa77/fastlane,alliannas/fastlane,busce/fastlane,daveanderson/fastlane,lottadot/fastlane,Econa77/fastlane,neonichu/fastlane,ffittschen/fastlane,bgerstle/fastlane,ashfurrow/fastlane,allewun/fastlane,tmtrademarked/fastlane,revile/fastlane,matthewellis/fastlane,fikeminkel/fastlane,1yvT0s/fastlane,NicholasFFox/fastlane,smallmiro/fastlane,keatongreve/fastlane,bgannin/fastlane,Fanagame/fastlane,mgamer/fastlane,tpalmer/fastlane,tcurdt/fastlane,ashfurrow/fastlane,aziz-boudi4/fastlane,KrauseFx/fastlane,milch/fastlane,dral3x/fastlane,enozero/fastlane,jorgeazevedo/fastlane,milch/fastlane,sylvek/fastlane,Econa77/fastlane,RishabhTayal/fastlane,coolgo/fastlane,marcelofabri/fastlane,NicholasFFox/fastlane,fcy/fastlane,jeeftor/fastlane,lyndsey-ferguson/fastlane,mathiasAichinger/fastlane,bolom/fastlane,fcy/fastlane,kndl/fastlane,daveanderson/fastlane,ssmiech/fastlane,brbulic/fastlane,joshrlesch/fastlane,oronbz/fastlane,st3fan/fastlane,mandrizzle/fastlane,luongm/fastlane,hjanuschka/fastlane,Bogon/fastlane,daveanderson/fastlane,mandrizzle/fastlane,jeeftor/fastlane,olegoid/fastlane,cbowns/fastlane,joshrlesch/fastlane,hjanuschka/fastlane,mathiasAichinger/fastlane,mbogh/fastlane,cpsloal/fastlane,ffittschen/fastlane,jaleksynas/fastlane,futuretap/fastlane,marcelofabri/fastlane,mbogh/fastlane,sylvek/fastlane,alliannas/fastlane,RishabhTayal/fastlane,cnbin/fastlane,vittoriom/fastlane,cpunion/fastlane,bgannin/fastlane,KingOfBrian/fastlane,fulldecent/fastlane,iCell/fastlane,phatblat/fastlane,iMokhles/fastlane,dowjones/fastlane,iCell/fastlane,farkasseb/fastlane,danielbowden/fastlane,cbowns/fastlane,fulldecent/fastlane,mathiasAichinger/fastlane,tcurdt/fastlane,sschlein/fastlane,powtac/fastlane,jzallas/fastlane,mandrizzle/fastlane,joshdholtz/fastlane,SiarheiFedartsou/fastlane,sschlein/fastlane,joshrlesch/fastlane,jfresen/fastlane,fcy/fastlane,milch/fastlane,iMokhles/fastlane,thelvis4/fastlane,jzallas/fastlane,sinoru/fastlane,tommeier/fastlane,SandyChapman/fastlane,kazuhidet/fastlane,oronbz/fastlane,buildkite/fastlane,milch/fastlane,cbowns/fastlane,fastlane/fastlane,hjanuschka/fastlane,olegoid/fastlane,vronin/fastlane,ashfurrow/fastlane,keatongreve/fastlane,adamcohenrose/fastlane,fcy/fastlane,ffittschen/fastlane,fulldecent/fastlane,busce/fastlane,powtac/fastlane,soxjke/fastlane,allewun/fastlane,Fanagame/fastlane,KrauseFx/fastlane,mgamer/fastlane,dral3x/fastlane,javibm/fastlane,jeeftor/fastlane,rimarsh/fastlane,danielbowden/fastlane,bassrock/fastlane,mathiasAichinger/fastlane,sinoru/fastlane,lulu002/fastlane,joshdholtz/fastlane,futuretap/fastlane,kazuhidet/fastlane,oronbz/fastlane,knutigro/fastlane,sylvek/fastlane