added changelog entry about glob-patterns in python_classes and python_functions
added changelog entry about glob-patterns in python_classes and python_functions

- also fixed small typo

--HG--
branch : python-classes-glob

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