update to caching mechanism pt 2
update to caching mechanism pt 2

gaumire/heroku-buildpack-python,doda/heroku-buildpack-python,gitricko/apt-python-buildpack,swanson/heroku-buildpack-python-ortools,andela-brotich/wger-buildpack-python,jimlindeman/python-buildpack-collectd,zakdoek/heroku-buildpack-django,edmorley/heroku-buildpack-python,benjaminfox/heroku-buildpack-python-geoip,smalleats/heroku-buildpack-python,Nazanin84/python-buildpack,andrespires/python-buildpack,driftyco/heroku-buildpack-sphinx,AltSchool/heroku-buildpack-python,wbrefvem/heroku-buildpack-python,cloudfoundry/python-buildpack,ad-m/heroku-buildpack-python,Scalingo/python-buildpack,cclauss/heroku-buildpack-python,pkumar-appd/python-buildpack,zakdoek/heroku-buildpack-django,cloudfoundry/python-buildpack,heroku/heroku-buildpack-python,joshfriend/heroku-buildpack-python,andrespires/python-buildpack,grivescorbett/heroku-buildpack-python,jimlindeman/python-buildpack-collectd,ojacobson/heroku-buildpack-python,Scalingo/python-buildpack,slorg1/heroku-buildpack-python,benjaminfox/heroku-buildpack-python-geoip,jamarparris/heroku-buildpack-python-swig,skilljar/heroku-buildpack-python,AltSchool/heroku-buildpack-python,pmclanahan/heroku-buildpack-python-peep,samuelhavron/heroku-buildpack-python,samuelhavron/heroku-buildpack-python,loanzen/heroku-buildpack-python,plangrid/heroku-buildpack-python,doda/heroku-buildpack-python,samuelhavron/heroku-buildpack-python,miraculixx/heroku-buildpack-python,heroku/heroku-buildpack-python,HanSooloo/heroku-buildpack-python,jvenezia/heroku-buildpack-python,benmurden/heroku-buildpack-python-ember,benmurden/heroku-buildpack-python-ember,samuelhavron/heroku-buildpack-python,pkumar-appd/python-buildpack,gitricko/apt-python-buildpack,wbrefvem/heroku-buildpack-python,edenspiekermann-amsterdam/heroku-buildpack-python,samuelhavron/heroku-buildpack-python,andrespires/python-buildpack,samuelhavron/heroku-buildpack-python,gitricko/apt-python-buildpack,samuelhavron/heroku-buildpack-python,Nazanin84/python-buildpack,samuelhavron/heroku-buildpack-python,Nazanin84/python-buildpack,cloudfoundry/python-buildpack,pkumar-appd/python-buildpack,DylanLukes/heroku-buildpack-python,jimlindeman/python-buildpack-collectd,ad-m/heroku-buildpack-python