Add some nice formatting to the docstrings.
Add some nice formatting to the docstrings.

Follow the formatting style found in, for example,
sympy.core.symbol.

Shaswat27/sympy,abhiii5459/sympy,abhiii5459/sympy,wyom/sympy,ChristinaZografou/sympy,Titan-C/sympy,Shaswat27/sympy,jerli/sympy,saurabhjn76/sympy,flacjacket/sympy,pandeyadarsh/sympy,shikil/sympy,jamesblunt/sympy,souravsingh/sympy,Sumith1896/sympy,ChristinaZografou/sympy,yashsharan/sympy,Shaswat27/sympy,sahmed95/sympy,Curious72/sympy,AunShiLord/sympy,souravsingh/sympy,srjoglekar246/sympy,jaimahajan1997/sympy,shipci/sympy,yukoba/sympy,lindsayad/sympy,oliverlee/sympy,cccfran/sympy,wanglongqi/sympy,sahmed95/sympy,MridulS/sympy,jamesblunt/sympy,chaffra/sympy,toolforger/sympy,maniteja123/sympy,emon10005/sympy,Titan-C/sympy,kevalds51/sympy,Gadal/sympy,hargup/sympy,liangjiaxing/sympy,shikil/sympy,pandeyadarsh/sympy,Vishluck/sympy,jbbskinny/sympy,AkademieOlympia/sympy,madan96/sympy,ahhda/sympy,asm666/sympy,hargup/sympy,lidavidm/sympy,MechCoder/sympy,toolforger/sympy,sampadsaha5/sympy,Arafatk/sympy,asm666/sympy,postvakje/sympy,oliverlee/sympy,Mitchkoens/sympy,VaibhavAgarwalVA/sympy,drufat/sympy,bukzor/sympy,jbbskinny/sympy,souravsingh/sympy,sunny94/temp,Mitchkoens/sympy,kevalds51/sympy,farhaanbukhsh/sympy,shipci/sympy,bukzor/sympy,cccfran/sympy,shikil/sympy,maniteja123/sympy,farhaanbukhsh/sympy,Sumith1896/sympy,jaimahajan1997/sympy,Gadal/sympy,debugger22/sympy,kmacinnis/sympy,cswiercz/sympy,mcdaniel67/sympy,Designist/sympy,meghana1995/sympy,ga7g08/sympy,liangjiaxing/sympy,moble/sympy,wanglongqi/sympy,skidzo/sympy,garvitr/sympy,toolforger/sympy,debugger22/sympy,AkademieOlympia/sympy,iamutkarshtiwari/sympy,wyom/sympy,emon10005/sympy,hrashk/sympy,shipci/sympy,postvakje/sympy,kaushik94/sympy,garvitr/sympy,skirpichev/omg,wanglongqi/sympy,moble/sympy,vipulroxx/sympy,mcdaniel67/sympy,sahilshekhawat/sympy,kaushik94/sympy,skidzo/sympy,Curious72/sympy,atsao72/sympy,ga7g08/sympy,lidavidm/sympy,sampadsaha5/sympy,kmacinnis/sympy,MechCoder/sympy,abhiii5459/sympy,Titan-C/sympy,jaimahajan1997/sympy,cswiercz/sympy,atreyv/sympy,pbrady/sympy,Mitchkoens/sympy,moble/sympy,atreyv/sympy,sahilshekhawat/sympy,sunny94/temp,chaffra/sympy,kaushik94/sympy,VaibhavAgarwalVA/sympy,ahhda/sympy,jerli/sympy,skidzo/sympy,MechCoder/sympy,Sumith1896/sympy,rahuldan/sympy,MridulS/sympy,mcdaniel67/sympy,postvakje/sympy,yashsharan/sympy,amitjamadagni/sympy,Gadal/sympy,kumarkrishna/sympy,pbrady/sympy,drufat/sympy,jerli/sympy,abloomston/sympy,kaichogami/sympy,dqnykamp/sympy,drufat/sympy,mafiya69/sympy,aktech/sympy,kevalds51/sympy,atsao72/sympy,saurabhjn76/sympy,cswiercz/sympy,AkademieOlympia/sympy,beni55/sympy,grevutiu-gabriel/sympy,yukoba/sympy,asm666/sympy,pandeyadarsh/sympy,saurabhjn76/sympy,jamesblunt/sympy,dqnykamp/sympy,bukzor/sympy,ahhda/sympy,iamutkarshtiwari/sympy,liangjiaxing/sympy,vipulroxx/sympy,ga7g08/sympy,sampadsaha5/sympy,lindsayad/sympy,kaichogami/sympy,mafiya69/sympy,lindsayad/sympy,Designist/sympy,AunShiLord/sympy,Davidjohnwilson/sympy,grevutiu-gabriel/sympy,VaibhavAgarwalVA/sympy,kaichogami/sympy,sunny94/temp,cccfran/sympy,kmacinnis/sympy,iamutkarshtiwari/sympy,rahuldan/sympy,meghana1995/sympy,meghana1995/sympy,abloomston/sympy,yukoba/sympy,kumarkrishna/sympy,kumarkrishna/sympy,vipulroxx/sympy,AunShiLord/sympy,Arafatk/sympy,diofant/diofant,madan96/sympy,mafiya69/sympy,Vishluck/sympy,Davidjohnwilson/sympy,sahmed95/sympy,beni55/sympy,wyom/sympy,aktech/sympy,jbbskinny/sympy,abloomston/sympy,debugger22/sympy,sahilshekhawat/sympy,atreyv/sympy,Curious72/sympy,Davidjohnwilson/sympy,emon10005/sympy,yashsharan/sympy,maniteja123/sympy,hrashk/sympy,farhaanbukhsh/sympy,oliverlee/sympy,beni55/sympy,Vishluck/sympy,grevutiu-gabriel/sympy,pbrady/sympy,hrashk/sympy,MridulS/sympy,ChristinaZografou/sympy,Designist/sympy,chaffra/sympy,aktech/sympy,amitjamadagni/sympy,atsao72/sympy,dqnykamp/sympy,hargup/sympy,madan96/sympy,lidavidm/sympy,rahuldan/sympy,garvitr/sympy,Arafatk/sympy