MutableValue: Add class to have mutable builtins
MutableValue: Add class to have mutable builtins

sophiavanvalkenburg/coala,coala/coala,NalinG/coala,andreimacavei/coala,Asnelchristian/coala,kartikeys98/coala,djkonro/coala,coala-analyzer/coala,jayvdb/coala,dagdaggo/coala,shreyans800755/coala,yland/coala,Nosferatul/coala,MattAllmendinger/coala,RJ722/coala,RJ722/coala,djkonro/coala,shreyans800755/coala,NalinG/coala,MariosPanag/coala,MattAllmendinger/coala,scriptnull/coala,incorrectusername/coala,FeodorFitsner/coala,Tanmay28/coala,FeodorFitsner/coala,saurabhiiit/coala,SambitAcharya/coala,sophiavanvalkenburg/coala,netman92/coala,damngamerz/coala,tltuan/coala,tushar-rishav/coala,arush0311/coala,aptrishu/coala,meetmangukiya/coala,rresol/coala,JohnS-01/coala,mr-karan/coala,AdeshAtole/coala,NiklasMM/coala,scriptnull/coala,coala/coala,CruiseDevice/coala,sudheesh001/coala,dagdaggo/coala,SambitAcharya/coala,abhiroyg/coala,ManjiriBirajdar/coala,Tanmay28/coala,SambitAcharya/coala,arush0311/coala,incorrectusername/coala,damngamerz/coala,AbdealiJK/coala,arafsheikh/coala,SanketDG/coala,tushar-rishav/coala,arjunsinghy96/coala,jayvdb/coala,yland/coala,nemaniarjun/coala,Balaji2198/coala,swatilodha/coala,sophiavanvalkenburg/coala,svsn2117/coala,kartikeys98/coala,MattAllmendinger/coala,svsn2117/coala,saurabhiiit/coala,SambitAcharya/coala,scriptnull/coala,dagdaggo/coala,NalinG/coala,netman92/coala,MariosPanag/coala,Shade5/coala,impmihai/coala,arafsheikh/coala,JohnS-01/coala,aptrishu/coala,yland/coala,Balaji2198/coala,ayushin78/coala,tushar-rishav/coala,abhiroyg/coala,coala-analyzer/coala,rresol/coala,Balaji2198/coala,abhiroyg/coala,RJ722/coala,rimacone/testing2,sudheesh001/coala,Tanmay28/coala,NalinG/coala,meetmangukiya/coala,tltuan/coala,coala/coala,scriptnull/coala,AdeshAtole/coala,Tanmay28/coala,impmihai/coala,NiklasMM/coala,jayvdb/coala,ManjiriBirajdar/coala,sils1297/coala,yashtrivedi96/coala,vinc456/coala,Nosferatul/coala,Shade5/coala,Shade5/coala,lonewolf07/coala,stevemontana1980/coala,mr-karan/coala,d6e/coala,SanketDG/coala,ayushin78/coala,scottbelden/coala,NalinG/coala,lonewolf07/coala,rimacone/testing2,rresol/coala,kartikeys98/coala,scottbelden/coala,SambitAcharya/coala,Asalle/coala,mr-karan/coala,aptrishu/coala,karansingh1559/coala,yashLadha/coala,vinc456/coala,Uran198/coala,yashLadha/coala,AdeshAtole/coala,netman92/coala,Asalle/coala,SambitAcharya/coala,arush0311/coala,sils1297/coala,MariosPanag/coala,sagark123/coala,Tanmay28/coala,CruiseDevice/coala,JohnS-01/coala,AbdealiJK/coala,stevemontana1980/coala,nemaniarjun/coala,Tanmay28/coala,Uran198/coala,meetmangukiya/coala,coala-analyzer/coala,FeodorFitsner/coala,karansingh1559/coala,yashLadha/coala,scriptnull/coala,svsn2117/coala,yashtrivedi96/coala,sagark123/coala,saurabhiiit/coala,Uran198/coala,Tanmay28/coala,d6e/coala,SanketDG/coala,rimacone/testing2,Asnelchristian/coala,damngamerz/coala,refeed/coala,andreimacavei/coala,AbdealiJK/coala,refeed/coala,karansingh1559/coala,scottbelden/coala,CruiseDevice/coala,sagark123/coala,sudheesh001/coala,NalinG/coala,NalinG/coala,tltuan/coala,swatilodha/coala,d6e/coala,ayushin78/coala,nemaniarjun/coala,refeed/coala,NiklasMM/coala,sils1297/coala,arjunsinghy96/coala,andreimacavei/coala,swatilodha/coala,incorrectusername/coala,Tanmay28/coala,djkonro/coala,vinc456/coala,Asnelchristian/coala,scriptnull/coala,Nosferatul/coala,SambitAcharya/coala,impmihai/coala,ManjiriBirajdar/coala,shreyans800755/coala,lonewolf07/coala,Asalle/coala,arafsheikh/coala,yashtrivedi96/coala,stevemontana1980/coala,arjunsinghy96/coala,scriptnull/coala