Fixed crash if no ENV['FASTLANE_LANE_NAME'] is defined
Fixed crash if no ENV['FASTLANE_LANE_NAME'] is defined

Improved check of existence driven lane to avoid crash for accessing
method not available in a nil object

sylvek/fastlane,bgerstle/fastlane,keatongreve/fastlane,adellibovi/fastlane,javibm/fastlane,ExtremeMan/fastlane,NicholasFFox/fastlane,mandrizzle/fastlane,SandyChapman/fastlane,jaleksynas/fastlane,fulldecent/fastlane,sschlein/fastlane,mgamer/fastlane,brbulic/fastlane,milch/fastlane,jzallas/fastlane,cpunion/fastlane,jorgeazevedo/fastlane,Econa77/fastlane,milch/fastlane,ffittschen/fastlane,Acorld/fastlane,neonichu/fastlane,tmtrademarked/fastlane,thasegaw/fastlane,st3fan/fastlane,thelvis4/fastlane,Acorld/fastlane,milch/fastlane,mandrizzle/fastlane,jaleksynas/fastlane,RishabhTayal/fastlane,farkasseb/fastlane,mandrizzle/fastlane,SiarheiFedartsou/fastlane,adellibovi/fastlane,ssmiech/fastlane,sylvek/fastlane,cpunion/fastlane,thelvis4/fastlane,ffittschen/fastlane,brbulic/fastlane,SandyChapman/fastlane,oronbz/fastlane,neonichu/fastlane,oronbz/fastlane,tcurdt/fastlane,ashfurrow/fastlane,SiarheiFedartsou/fastlane,jorgeazevedo/fastlane,soxjke/fastlane,st3fan/fastlane,mathiasAichinger/fastlane,NicholasFFox/fastlane,fulldecent/fastlane,neonichu/fastlane,mgamer/fastlane,Acorld/fastlane,NicholasFFox/fastlane,NicholasFFox/fastlane,SandyChapman/fastlane,mbogh/fastlane,hjanuschka/fastlane,carlosefonseca/fastlane,keatongreve/fastlane,tcurdt/fastlane,jfresen/fastlane,jeeftor/fastlane,daveanderson/fastlane,Liquidsoul/fastlane,sinoru/fastlane,lacostej/fastlane,hjanuschka/fastlane,iCell/fastlane,bassrock/fastlane,rimarsh/fastlane,rimarsh/fastlane,jzallas/fastlane,manuyavuz/fastlane,iCell/fastlane,bgannin/fastlane,jzallas/fastlane,jfresen/fastlane,jorgeazevedo/fastlane,brbulic/fastlane,thasegaw/fastlane,lmirosevic/fastlane,marcelofabri/fastlane,tommeier/fastlane,ExtremeMan/fastlane,ssmiech/fastlane,nafu/fastlane,oronbz/fastlane,fabiomassimo/fastlane,phatblat/fastlane,oysta/fastlane,olegoid/fastlane,manuyavuz/fastlane,luongm/fastlane,bgannin/fastlane,bolom/fastlane,mgrebenets/fastlane,KrauseFx/fastlane,soxjke/fastlane,iCell/fastlane,cbowns/fastlane,vronin/fastlane,busce/fastlane,vronin/fastlane,cbowns/fastlane,SandyChapman/fastlane,busce/fastlane,jeeftor/fastlane,kazuhidet/fastlane,bolom/fastlane,joshrlesch/fastlane,enozero/fastlane,fastlane/fastlane,lacostej/fastlane,jeeftor/fastlane,tmtrademarked/fastlane,mathiasAichinger/fastlane,danielbowden/fastlane,fulldecent/fastlane,luongm/fastlane,milch/fastlane,SandyChapman/fastlane,tpalmer/fastlane,allewun/fastlane,adamcohenrose/fastlane,thelvis4/fastlane,carlosefonseca/fastlane,kndl/fastlane,cbowns/fastlane,nafu/fastlane,ssmiech/fastlane,dral3x/fastlane,taquitos/fastlane,Fanagame/fastlane,SiarheiFedartsou/fastlane,SemenovAlexander/fastlane,KrauseFx/fastlane,jzallas/fastlane,daveanderson/fastlane,carlosefonseca/fastlane,dral3x/fastlane,fastlane/fastlane,futuretap/fastlane,cpunion/fastlane,revile/fastlane,joshdholtz/fastlane,revile/fastlane,danielbowden/fastlane,SemenovAlexander/fastlane,tpalmer/fastlane,tcurdt/fastlane,fabiomassimo/fastlane,busce/fastlane,SemenovAlexander/fastlane,Acorld/fastlane,lmirosevic/fastlane,fabiomassimo/fastlane,lacostej/fastlane,smallmiro/fastlane,sschlein/fastlane,iMokhles/fastlane,carlosefonseca/fastlane,icecrystal23/fastlane,joshdholtz/fastlane,soxjke/fastlane,Liquidsoul/fastlane,adellibovi/fastlane,cpunion/fastlane,sylvek/fastlane,bolom/fastlane,allewun/fastlane,revile/fastlane,icecrystal23/fastlane,adellibovi/fastlane,RishabhTayal/fastlane,iMokhles/fastlane,RishabhTayal/fastlane,thelvis4/fastlane,adellibovi/fastlane,enozero/fastlane,Econa77/fastlane,lmirosevic/fastlane,mathiasAichinger/fastlane,rimarsh/fastlane,matthewellis/fastlane,Liquidsoul/fastlane,SemenovAlexander/fastlane,sinoru/fastlane,jfresen/fastlane,bolom/fastlane,bolom/fastlane,jfresen/fastlane,oronbz/fastlane,futuretap/fastlane,olegoid/fastlane,sylvek/fastlane,ffittschen/fastlane,manuyavuz/fastlane,ffittschen/fastlane,futuretap/fastlane,iMokhles/fastlane,powtac/fastlane,cpk1/fastlane,bassrock/fastlane,orta/fastlane,mathiasAichinger/fastlane,neonichu/fastlane,cpk1/fastlane,oysta/fastlane,cpk1/fastlane,fastlane/fastlane,danielbowden/fastlane,futuretap/fastlane,phatblat/fastlane,ExtremeMan/fastlane,mbogh/fastlane,bolom/fastlane,Liquidsoul/fastlane,jeeftor/fastlane,futuretap/fastlane,iCell/fastlane,fulldecent/fastlane,Sajjon/fastlane,smallmiro/fastlane,Acorld/fastlane,iCell/fastlane,mgamer/fastlane,kndl/fastlane,adamcohenrose/fastlane,tommeier/fastlane,matthewellis/fastlane,busce/fastlane,daveanderson/fastlane,cpk1/fastlane,milch/fastlane,st3fan/fastlane,sinoru/fastlane,lyndsey-ferguson/fastlane,javibm/fastlane,mgamer/fastlane,joshrlesch/fastlane,tommeier/fastlane,nafu/fastlane,SemenovAlexander/fastlane,kazuhidet/fastlane,mathiasAichinger/fastlane,revile/fastlane,Liquidsoul/fastlane,cpunion/fastlane,kohtenko/fastlane,st3fan/fastlane,ExtremeMan/fastlane,Fanagame/fastlane,sylvek/fastlane,tmtrademarked/fastlane,joshdholtz/fastlane,jaleksynas/fastlane,tpalmer/fastlane,dowjones/fastlane,orta/fastlane,RishabhTayal/fastlane,hjanuschka/fastlane,oysta/fastlane,bgannin/fastlane,lyndsey-ferguson/fastlane,cpunion/fastlane,jorgeazevedo/fastlane,oronbz/fastlane,icecrystal23/fastlane,jaleksynas/fastlane,Sajjon/fastlane,joshdholtz/fastlane,bgannin/fastlane,bolom/fastlane,hjanuschka/fastlane,tommeier/fastlane,matthewellis/fastlane,ExtremeMan/fastlane,mandrizzle/fastlane,cbowns/fastlane,thasegaw/fastlane,taquitos/fastlane,olegoid/fastlane,SandyChapman/fastlane,fulldecent/fastlane,jzallas/fastlane,cpk1/fastlane,jeeftor/fastlane,Acorld/fastlane,tpalmer/fastlane,hjanuschka/fastlane,ashfurrow/fastlane,luongm/fastlane,jaleksynas/fastlane,powtac/fastlane,hjanuschka/fastlane,ExtremeMan/fastlane,farkasseb/fastlane,sschlein/fastlane,sinoru/fastlane,smallmiro/fastlane,sinoru/fastlane,mbogh/fastlane,vronin/fastlane,joshrlesch/fastlane,mgrebenets/fastlane,dowjones/fastlane,jzallas/fastlane,taquitos/fastlane,jeeftor/fastlane,jfresen/fastlane,revile/fastlane,ffittschen/fastlane,adamcohenrose/fastlane,jorgeazevedo/fastlane,carlosefonseca/fastlane,thelvis4/fastlane,vronin/fastlane,oysta/fastlane,dowjones/fastlane,dowjones/fastlane,olegoid/fastlane,rimarsh/fastlane,tmtrademarked/fastlane,busce/fastlane,soxjke/fastlane,soxjke/fastlane,mgrebenets/fastlane,danielbowden/fastlane,daveanderson/fastlane,Fanagame/fastlane,joshrlesch/fastlane,NicholasFFox/fastlane,Sajjon/fastlane,SiarheiFedartsou/fastlane,dowjones/fastlane,javibm/fastlane,Fanagame/fastlane,tcurdt/fastlane,tommeier/fastlane,ashfurrow/fastlane,lacostej/fastlane,enozero/fastlane,ashfurrow/fastlane,bgerstle/fastlane,ssmiech/fastlane,rimarsh/fastlane,kazuhidet/fastlane,icecrystal23/fastlane,dral3x/fastlane,farkasseb/fastlane,powtac/fastlane,nafu/fastlane,mandrizzle/fastlane,allewun/fastlane,fastlane/fastlane,keatongreve/fastlane,RishabhTayal/fastlane,allewun/fastlane,st3fan/fastlane,fcy/fastlane,soxjke/fastlane,javibm/fastlane,manuyavuz/fastlane,olegoid/fastlane,tmtrademarked/fastlane,milch/fastlane,Econa77/fastlane,lmirosevic/fastlane,kazuhidet/fastlane,mgamer/fastlane,fastlane/fastlane,tpalmer/fastlane,enozero/fastlane,daveanderson/fastlane,bgannin/fastlane,Sajjon/fastlane,daveanderson/fastlane,bassrock/fastlane,danielbowden/fastlane,vronin/fastlane,nafu/fastlane,bgannin/fastlane,manuyavuz/fastlane,fcy/fastlane,jorgeazevedo/fastlane,jfresen/fastlane,sinoru/fastlane,Econa77/fastlane,fabiomassimo/fastlane,keatongreve/fastlane,keatongreve/fastlane,neonichu/fastlane,olegoid/fastlane,SandyChapman/fastlane,luongm/fastlane,lmirosevic/fastlane,bassrock/fastlane,joshdholtz/fastlane,soxjke/fastlane,sylvek/fastlane,tommeier/fastlane,cpunion/fastlane,adamcohenrose/fastlane,taquitos/fastlane,SemenovAlexander/fastlane,kazuhidet/fastlane,rimarsh/fastlane,tmtrademarked/fastlane,lyndsey-ferguson/fastlane,farkasseb/fastlane,iCell/fastlane,dral3x/fastlane,KrauseFx/fastlane,sschlein/fastlane,KrauseFx/fastlane,farkasseb/fastlane,revile/fastlane,danielbowden/fastlane,KrauseFx/fastlane,kndl/fastlane,allewun/fastlane,smallmiro/fastlane,tommeier/fastlane,rimarsh/fastlane,revile/fastlane,tpalmer/fastlane,Sajjon/fastlane,joshdholtz/fastlane,marcelofabri/fastlane,Liquidsoul/fastlane,RishabhTayal/fastlane,lmirosevic/fastlane,st3fan/fastlane,ffittschen/fastlane,mgamer/fastlane,carlosefonseca/fastlane,fcy/fastlane,marcelofabri/fastlane,iMokhles/fastlane,lacostej/fastlane,mathiasAichinger/fastlane,thelvis4/fastlane,fulldecent/fastlane,mgrebenets/fastlane,matthewellis/fastlane,lmirosevic/fastlane,SiarheiFedartsou/fastlane,olegoid/fastlane,enozero/fastlane,farkasseb/fastlane,kohtenko/fastlane,adamcohenrose/fastlane,sinoru/fastlane,dral3x/fastlane,icecrystal23/fastlane,joshdholtz/fastlane,tcurdt/fastlane,iMokhles/fastlane,mgamer/fastlane,mathiasAichinger/fastlane,kndl/fastlane,javibm/fastlane,busce/fastlane,powtac/fastlane,oronbz/fastlane,SemenovAlexander/fastlane,SiarheiFedartsou/fastlane,taquitos/fastlane,milch/fastlane,mbogh/fastlane,matthewellis/fastlane,fabiomassimo/fastlane,ashfurrow/fastlane,lyndsey-ferguson/fastlane,mgrebenets/fastlane,javibm/fastlane,lyndsey-ferguson/fastlane,jzallas/fastlane,tmtrademarked/fastlane,ashfurrow/fastlane,phatblat/fastlane,marcelofabri/fastlane,nafu/fastlane,mbogh/fastlane,iMokhles/fastlane,dowjones/fastlane,NicholasFFox/fastlane,cbowns/fastlane,thasegaw/fastlane,enozero/fastlane,powtac/fastlane,kazuhidet/fastlane,jeeftor/fastlane,mgrebenets/fastlane,keatongreve/fastlane,cbowns/fastlane,kndl/fastlane,tpalmer/fastlane,cpk1/fastlane,luongm/fastlane,iMokhles/fastlane,Econa77/fastlane,mandrizzle/fastlane,fcy/fastlane,oysta/fastlane,Sajjon/fastlane,oysta/fastlane,icecrystal23/fastlane,marcelofabri/fastlane,thasegaw/fastlane,Econa77/fastlane,brbulic/fastlane,oysta/fastlane,bassrock/fastlane,carlosefonseca/fastlane,brbulic/fastlane,powtac/fastlane,KrauseFx/fastlane,adamcohenrose/fastlane,sschlein/fastlane,daveanderson/fastlane,ExtremeMan/fastlane,matthewellis/fastlane,Fanagame/fastlane,ssmiech/fastlane,RishabhTayal/fastlane,taquitos/fastlane,nafu/fastlane,SiarheiFedartsou/fastlane,jaleksynas/fastlane,futuretap/fastlane,vronin/fastlane,mbogh/fastlane,thasegaw/fastlane,kndl/fastlane,javibm/fastlane,fabiomassimo/fastlane,fcy/fastlane,tcurdt/fastlane,mgrebenets/fastlane,luongm/fastlane,fulldecent/fastlane,hjanuschka/fastlane,neonichu/fastlane,Fanagame/fastlane,manuyavuz/fastlane,ffittschen/fastlane,neonichu/fastlane,Fanagame/fastlane,fcy/fastlane,enozero/fastlane,brbulic/fastlane,allewun/fastlane,smallmiro/fastlane,matthewellis/fastlane,Acorld/fastlane,cbowns/fastlane,luongm/fastlane,adellibovi/fastlane,KrauseFx/fastlane,kazuhidet/fastlane,lyndsey-ferguson/fastlane,futuretap/fastlane,st3fan/fastlane,jaleksynas/fastlane,fabiomassimo/CredentialsManager,thasegaw/fastlane,mandrizzle/fastlane,farkasseb/fastlane,marcelofabri/fastlane,smallmiro/fastlane,bgannin/fastlane,phatblat/fastlane,joshrlesch/fastlane,lacostej/credentials_manager,keatongreve/fastlane,sylvek/fastlane,ashfurrow/fastlane,sschlein/fastlane,tcurdt/fastlane,ssmiech/fastlane,phatblat/fastlane,mbogh/fastlane,fabiomassimo/fastlane,phatblat/fastlane,cpk1/fastlane,dral3x/fastlane,kndl/fastlane,dral3x/fastlane,lacostej/fastlane,joshrlesch/fastlane,iCell/fastlane,jfresen/fastlane,Sajjon/fastlane,vronin/fastlane,taquitos/fastlane,jorgeazevedo/fastlane,Liquidsoul/fastlane,phatblat/fastlane,manuyavuz/fastlane,sschlein/fastlane,oronbz/fastlane,adellibovi/fastlane,allewun/fastlane,adamcohenrose/fastlane,dowjones/fastlane,danielbowden/fastlane,brbulic/fastlane,Econa77/fastlane,fcy/fastlane,lyndsey-ferguson/fastlane,NicholasFFox/fastlane,busce/fastlane,joshrlesch/fastlane,marcelofabri/fastlane,thelvis4/fastlane,powtac/fastlane,smallmiro/fastlane,bassrock/fastlane,fastlane/fastlane,ssmiech/fastlane