Made the combined tensor product printing optional (opt-in). Should leave old code unaffected, but one can activate the more compact type of printing globally if one wants to
Made the combined tensor product printing optional (opt-in). Should leave old code unaffected, but one can activate the more compact type of printing globally if one wants to

wanglongqi/sympy,yukoba/sympy,maniteja123/sympy,shipci/sympy,saurabhjn76/sympy,aktech/sympy,Mitchkoens/sympy,vipulroxx/sympy,dqnykamp/sympy,yukoba/sympy,atreyv/sympy,rahuldan/sympy,chaffra/sympy,farhaanbukhsh/sympy,grevutiu-gabriel/sympy,shipci/sympy,yashsharan/sympy,garvitr/sympy,MridulS/sympy,drufat/sympy,AunShiLord/sympy,hargup/sympy,iamutkarshtiwari/sympy,Shaswat27/sympy,Mitchkoens/sympy,cccfran/sympy,atsao72/sympy,pbrady/sympy,jerli/sympy,hargup/sympy,Titan-C/sympy,bukzor/sympy,wanglongqi/sympy,AunShiLord/sympy,jbbskinny/sympy,maniteja123/sympy,farhaanbukhsh/sympy,ga7g08/sympy,saurabhjn76/sympy,Davidjohnwilson/sympy,sahilshekhawat/sympy,Shaswat27/sympy,sampadsaha5/sympy,asm666/sympy,debugger22/sympy,drufat/sympy,pbrady/sympy,Sumith1896/sympy,aktech/sympy,VaibhavAgarwalVA/sympy,maniteja123/sympy,skirpichev/omg,liangjiaxing/sympy,cccfran/sympy,debugger22/sympy,dqnykamp/sympy,Vishluck/sympy,Gadal/sympy,grevutiu-gabriel/sympy,AkademieOlympia/sympy,Davidjohnwilson/sympy,asm666/sympy,kevalds51/sympy,wanglongqi/sympy,mcdaniel67/sympy,jerli/sympy,bukzor/sympy,hargup/sympy,emon10005/sympy,drufat/sympy,sahmed95/sympy,Davidjohnwilson/sympy,lindsayad/sympy,Titan-C/sympy,Vishluck/sympy,kumarkrishna/sympy,Titan-C/sympy,beni55/sympy,shikil/sympy,moble/sympy,jamesblunt/sympy,moble/sympy,toolforger/sympy,mafiya69/sympy,oliverlee/sympy,VaibhavAgarwalVA/sympy,yashsharan/sympy,AunShiLord/sympy,souravsingh/sympy,Mitchkoens/sympy,mcdaniel67/sympy,MechCoder/sympy,pbrady/sympy,Curious72/sympy,AkademieOlympia/sympy,atsao72/sympy,madan96/sympy,kumarkrishna/sympy,atsao72/sympy,bukzor/sympy,cswiercz/sympy,meghana1995/sympy,ChristinaZografou/sympy,mcdaniel67/sympy,postvakje/sympy,sunny94/temp,ahhda/sympy,MridulS/sympy,jaimahajan1997/sympy,emon10005/sympy,pandeyadarsh/sympy,souravsingh/sympy,pandeyadarsh/sympy,kumarkrishna/sympy,wyom/sympy,oliverlee/sympy,jbbskinny/sympy,Gadal/sympy,wyom/sympy,cswiercz/sympy,rahuldan/sympy,ga7g08/sympy,debugger22/sympy,kaichogami/sympy,AkademieOlympia/sympy,Arafatk/sympy,MechCoder/sympy,ahhda/sympy,skidzo/sympy,shipci/sympy,ahhda/sympy,Curious72/sympy,abhiii5459/sympy,postvakje/sympy,sahilshekhawat/sympy,emon10005/sympy,lindsayad/sympy,MechCoder/sympy,kaichogami/sympy,Arafatk/sympy,cccfran/sympy,cswiercz/sympy,saurabhjn76/sympy,jamesblunt/sympy,shikil/sympy,abloomston/sympy,asm666/sympy,vipulroxx/sympy,jerli/sympy,Sumith1896/sympy,wyom/sympy,kaushik94/sympy,chaffra/sympy,shikil/sympy,liangjiaxing/sympy,sampadsaha5/sympy,toolforger/sympy,yashsharan/sympy,MridulS/sympy,garvitr/sympy,iamutkarshtiwari/sympy,aktech/sympy,Shaswat27/sympy,dqnykamp/sympy,jbbskinny/sympy,atreyv/sympy,Arafatk/sympy,sunny94/temp,sahmed95/sympy,kaushik94/sympy,ChristinaZografou/sympy,sahilshekhawat/sympy,skidzo/sympy,vipulroxx/sympy,souravsingh/sympy,jamesblunt/sympy,rahuldan/sympy,beni55/sympy,madan96/sympy,grevutiu-gabriel/sympy,Curious72/sympy,abhiii5459/sympy,atreyv/sympy,postvakje/sympy,jaimahajan1997/sympy,ChristinaZografou/sympy,Gadal/sympy,lindsayad/sympy,sunny94/temp,Vishluck/sympy,yukoba/sympy,jaimahajan1997/sympy,kaichogami/sympy,chaffra/sympy,meghana1995/sympy,meghana1995/sympy,abloomston/sympy,abhiii5459/sympy,kaushik94/sympy,Designist/sympy,sampadsaha5/sympy,toolforger/sympy,liangjiaxing/sympy,sahmed95/sympy,oliverlee/sympy,kevalds51/sympy,skidzo/sympy,farhaanbukhsh/sympy,pandeyadarsh/sympy,mafiya69/sympy,VaibhavAgarwalVA/sympy,iamutkarshtiwari/sympy,Designist/sympy,abloomston/sympy,beni55/sympy,kevalds51/sympy,ga7g08/sympy,mafiya69/sympy,moble/sympy,Sumith1896/sympy,madan96/sympy,garvitr/sympy,Designist/sympy,diofant/diofant