Fixed configuration file test - release call was missing.
Fixed configuration file test - release call was missing.

Once again, __del__ is not being called as usual anymore in python 3 ... .

hvnsweeting/GitPython,dpursehouse/GitPython,h4ck3rm1k3/GitPython,avinassh/GitPython,pengshp/GitPython,dpursehouse/GitPython,expobrain/GitPython,pengshp/GitPython,breavo/GitPython,cdht/GitPython,gitpython-developers/GitPython,gitpython-developers/gitpython,nvie/GitPython,manasdk/GitPython,roidelapluie/GitPython,breavo/GitPython,StyXman/GitPython,roidelapluie/GitPython,zsjohny/GitPython,expobrain/GitPython,beni55/GitPython,bwrsandman/GitPython,ghtdak/GitPython,StyXman/GitPython,bwrsandman/GitPython,manasdk/GitPython,jeblair/GitPython,zsjohny/GitPython,cdht/GitPython,StyXman/GitPython,beni55/GitPython,avinassh/GitPython,pengshp/GitPython,ghtdak/GitPython,gitpython-developers/GitPython,jeblair/GitPython,avinassh/GitPython,cdht/GitPython,zsjohny/GitPython,gitpython-developers/gitpython,hvnsweeting/GitPython,bwrsandman/GitPython,h4ck3rm1k3/GitPython,nvie/GitPython