Add (but do not yet use) splitfactor_sqf() in risch.py
Add (but do not yet use) splitfactor_sqf() in risch.py

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