[svn r58285] add docstring and version info
[svn r58285] add docstring and version info

--HG--
branch : trunk

chillbear/pytest,skylarjhdownes/pytest,untitaker/pytest,ericdill/pytest,abusalimov/pytest,inirudebwoy/pytest,jb098/pytest,rmfitzpatrick/pytest,RonnyPfannschmidt/pytest,tomviner/pytest,codewarrior0/pytest,bukzor/pytest,hunse/pytest,oleg-alexandrov/pytest,lukas-bednar/pytest,mbirtwell/pytest,etataurov/pytest,jaraco/pytest,inirudebwoy/pytest,rouge8/pytest,ericdill/pytest,userzimmermann/pytest,ddboline/pytest,ojake/pytest,vmalloc/dessert,hpk42/pytest,hunse/pytest,malinoff/pytest,oleg-alexandrov/pytest,nicoddemus/pytest,ropez/pytest,mdboom/pytest,wfxiang08/pytest,pytest-dev/pytest,rouge8/pytest,pfctdayelise/pytest,Magicjarvis/py,nicoddemus/repo-test,tareqalayan/pytest,chillbear/pytest,mhils/pytest,alfredodeza/pytest,gabrielcnr/pytest,Carreau/pytest,davidszotten/pytest,markshao/pytest,jb098/pytest,icemac/pytest,ionelmc/pytest,omarkohl/pytest,Haibo-Wang-ORG/pytest,codewarrior0/pytest,ionelmc/pytest,Akasurde/pytest,abusalimov/pytest,nicoddemus/pytest,wfxiang08/pytest,takluyver/pytest,Carreau/pytest,mbirtwell/pytest,bukzor/pytest,gabrielcnr/pytest,ghostsquad/pytest,lukas-bednar/pytest,JonathonSonesen/pytest,mhils/pytest,doordash/pytest,ojake/pytest,untitaker/pytest,Bjwebb/pytest,eli-b/pytest,mdboom/pytest,nicoddemus/repo-test,vodik/pytest,tgoodlet/pytest,Bjwebb/pytest,hpk42/pytest,takluyver/pytest,tomviner/pytest,hackebrot/pytest,txomon/pytest,chiller/pytest,icemac/pytest,Haibo-Wang-ORG/pytest,omarkohl/pytest,chiller/pytest,JonathonSonesen/pytest,doordash/pytest,vodik/pytest,MengJueM/pytest,flub/pytest,Bachmann1234/pytest,bubenkoff/pytest,bubenkoff/pytest,The-Compiler/pytest,ghostsquad/pytest,Bachmann1234/pytest,pelme/pytest,MengJueM/pytest,pytest-dev/py,The-Compiler/pytest,userzimmermann/pytest,pelme/pytest,MichaelAquilina/pytest,ropez/pytest