force db password into a string, in case it's all numbers for YAML parsing
force db password into a string, in case it's all numbers for YAML parsing

Git-Host/prelang-buildpack,blueapron/heroku-buildpack-ruby,pkgr/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,stefansundin/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,ilpoldo/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,dtao/deft-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,darron/heroku-buildpack-ruby-jekyll,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,lyoshenka/heroku-buildpack-ruby-jekyll,ericboehs/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,Micka33/heroku-buildpack-ruby-liblua,bellycard/heroku-buildpack-ruby,progrium/heroku-buildpack-ruby,AJamesPhillips/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,jonasoberschweiber/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,jcamenisch/heroku-buildpack-rgeo,hone/heroku-buildpack-ruby,ActiveState/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,KoanHealth/heroku-buildpack-marvin-setup,vhx/heroku-buildpack,darron/heroku-buildpack-ruby-jekyll,fcruxen/ruby-buildpack,qstream/heroku-buildpack-ruby,sky-uk/help-heroku-buildpack,sgnpa/heroku-buildpack-cas,WilliamDenniss/heroku-buildpack-ruby-imagemagick,atmos/heroku-buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,Dim25/heroku-buildpack-ruby-GSL,bwaite-jaroop/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,thirdprestige/heroku-buildpack-ruby,joshco/heroku-buildpack-ruby,Jonty/ruby-buildpack,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,leonardykris/mos-ruby-buildpack,qstream/heroku-buildpack-ruby,hpcloud/ruby-buildpack,davidjrice/heroku-buildpack-couchbase-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,jasonlevens/heroku-buildpack-ruby,amaltson/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,recursecenter/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,ruby/heroku-buildpack-www-ruby-lang,orenyk/heroku-buildpack-ruby,rstacruz/heroku-buildpack-middleman,engineyard/heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,AdStage/heroku-buildpack-ruby,takii/heroku-buildpack-ruby,icelab/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,fcruxen/ruby-buildpack,Numerico/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,zunda/heroku-buildpack-ruby,derrek/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,hellojustin/heroku-buildpack-custom-ruby,millie/heroku-buildpack-ruby-with-pdftk,mintybit/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,rhomobile/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,d-reinhold/cf-buildpack-ruby,erintherad/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,pilotcreative/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,ejholmes/heroku-buildpack-middleman,derrek/heroku-buildpack-ruby,sgnpa/heroku-buildpack-cas,orlando/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,dtao/teeny-buildpack,brightbytes/heroku-buildpack-ruby-without-assets-precompile,AdStage/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,cloudn/buildpack-ruby,ablease/custom-buildpack,hixi/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,ablease/custom-buildpack,sky-uk/ruby-buildpack,iamjarvo/ruby-buildpack,heroku/heroku-buildpack-ruby,jgarber/heroku-buildpack-ruby-octopress,meskyanichi/heroku-buildpack-middleman,righi/instacart-heroku-buildpack,adaptivelab/heroku-buildpack-adaptivelab-website-2,scottatron/moc-buildpack,jonseaberg/heroku-buildpack-turbo-sprockets,joshco/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,jeremyvdw/heroku-buildpack-ruby-jekyll,reesio/heroku-buildpack-ruby,meskyanichi/heroku-buildpack-middleman,gls1/heroku-buildpack-ruby-pdftk,Genius/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,jgarber/heroku-buildpack-ruby-octopress,jglascoe/heroku-buildpack-ruby-jekyll,cloudn/buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,instacart/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,hpcloud/ruby-buildpack,pkgr/buildpack-ruby-precise-old,sky-uk/ruby-buildpack,cordata/heroku-buildpack-ruby,sstelfox/buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,takii/db2rubybuildpack,travis-ci/heroku-buildpack-ruby,firmhouse/heroku-buildpack-ruby-freetds,wycats/heroku-buildpack-middleman,packetmonkey/heroku-buildpack-ruby,sgnpa/heroku-buildpack-cas,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,schu/buildpack-testing,engineyard/heroku-buildpack-ruby,KoanHealth/heroku-buildpack-marvin-setup,recursecenter/heroku-buildpack-ruby,amaltson/heroku-buildpack-ruby,space150/heroku-buildpack-ruby,hausdorff/heroku-buildpack-ruby-jekyll,rhomobile/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,Altoros/ruby-buildpack,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,pkgr/buildpack-ruby-precise-old,takii/heroku-buildpack-ruby,cloudn/buildpack-ruby,lemurheavy/heroku-buildpack-ruby,sky-uk/ruby-buildpack,ActiveState/heroku-buildpack-ruby,firmhouse/heroku-buildpack-ruby-freetds,tdenovan/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,gbenedict/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,nicholasmott/heroku-buildpack-octopress,zoomer/heroku-buildpack-ruby-bower,lemurheavy/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,zidekmat/buildpack-ruby,ekaranto/rails4-bluemix-buildpack,musicglue/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,rstacruz/heroku-buildpack-middleman,hpcloud/heroku-buildpack-ruby,millie/heroku-buildpack-ruby-with-pdftk,jgable/buildpack-ruby-rack-setup-tasks,wolfoo2931/heroku-buildpack-ruby-2a352ae,lemurheavy/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,AJamesPhillips/heroku-buildpack-ruby,nicholasmott/heroku-buildpack-octopress,tpope/heroku-buildpack-ruby-tpope,davidjrice/heroku-buildpack-couchbase-ruby,redhotvengeance/heroku-buildpack-deep-thought,heroku/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,jumptvs/BP_Ruby,progrium/heroku-buildpack-ruby,aarongray/heroku-buildpack-ruby,takii/db2rubybuildpack,allomov/fat-free-heroku-buildpack-ruby,adaptivelab/heroku-buildpack-adaptivelab-website-2,packetmonkey/heroku-buildpack-ruby,DouglasAllen/heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,ablease/custom-buildpack,mperejda/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,jgarber/heroku-buildpack-ruby-octopress,pkgr/buildpack-ruby-precise-old,barakav/heroku-buildpack-ruby,firmhouse/heroku-buildpack-ruby-freetds,samfrench/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,CPPWind/ruby-buildpack,ilpoldo/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,stefansundin/heroku-buildpack-ruby,hpcloud/ruby-buildpack,brightbytes/heroku-buildpack-ruby-without-assets-precompile,diasks2/heroku-buildpack-mecab,tdenovan/heroku-buildpack-ruby,electricobjects/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,teodor-pripoae/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,space150/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,gls1/heroku-buildpack-ruby-pdftk-new,michaelphines/alexa-nest,fgbreel/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,iamjarvo/ruby-buildpack,cloudControl/buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,bwaite-jaroop/heroku-buildpack-ruby,beydogan/ruby-buildpack,AdStage/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,jcamenisch/heroku-buildpack-rgeo,hausdorff/heroku-buildpack-ruby-jekyll,rvizza/heroku-buildpack-gsl-ruby,ericboehs/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,12spokes/heroku-buildpack-ruby-imagemagick,qnyp/heroku-buildpack-ruby-bower,ekaranto/rails4-bluemix-buildpack,aarongray/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,daltonrenaldo/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,jglascoe/heroku-buildpack-ruby-jekyll,ascot21/heroku-buildpack-turbo-sprockets,awebneck/heroku-buildpack-canvas,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,redhotvengeance/heroku-buildpack-deep-thought,jasonlevens/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,michaelphines/alexa-nest,Jonty/ruby-buildpack,atmos/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,12spokes/heroku-buildpack-ruby-imagemagick,trumaker/heroku-buildpack-turbo-sprockets,jonseaberg/heroku-buildpack-turbo-sprockets,moneyadviceservice/heroku-buildpack-ruby-bowndler,instacart/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,bskyb-commerce/help-heroku-buildpack,pcincalifornia/wdc-heroku-buildpack-middleman,dlorson/gentle-buildpack,sstelfox/buildpack-ruby,CPPWind/ruby-buildpack,makifund/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,orlando/heroku-buildpack-ruby,Scalingo/ruby-buildpack,d-reinhold/cf-buildpack-ruby,icelab/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,DigitalInnovation/heroku-buildpack-mslabs,Jonty/ruby-buildpack,Git-Host/prelang-buildpack,pavgup/heroku-buildpack-ruby-lateslugignore,AJamesPhillips/heroku-buildpack-ruby,hone/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,schu/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,takii/db2rubybuildpack,hixi/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,mperejda/heroku-buildpack-ruby,lyoshenka/heroku-buildpack-ruby-jekyll,hpcloud/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,nthj/heroku-buildpack-mirror,crdschurch/heroku-buildpack-ruby,Jonty/ruby-buildpack,dtao/deft-buildpack-ruby,pkgr/heroku-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,DouglasAllen/heroku-buildpack-ruby,sanemat/heroku-buildpack-ruby-tachikoma,scottatron/moc-buildpack,fgbreel/heroku-buildpack-ruby,pcincalifornia/wdc-heroku-buildpack-middleman,anay/buildpack-ruby-with-oracle-jdk,musicglue/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,zidekmat/buildpack-ruby,catalyzeio/buildpack-ruby,ejholmes/heroku-buildpack-middleman,fcruxen/ruby-buildpack,trumaker/heroku-buildpack-turbo-sprockets,swipesense/heroku-buildpack-ruby,schu/buildpack-testing,beydogan/ruby-buildpack,tenjikinc/heroku-buildpack-ruby,atmos/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,pavgup/heroku-buildpack-ruby-lateslugignore,ekaranto/rails4-bluemix-buildpack,ibmdb/db2rubybuildpack,pavgup/heroku-buildpack-ruby-lateslugignore,Micka33/heroku-buildpack-ruby-liblua,bskyb-commerce/ruby-buildpack,sanemat/heroku-buildpack-ruby-tachikoma,CPPWind/ruby-buildpack,jgable/buildpack-ruby-rack-setup-tasks,vhx/heroku-buildpack,awebneck/heroku-buildpack-canvas,ablease/custom-buildpack,ericroberts/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,rowanoulton/heroku-buildpack-ruby,jeremyvdw/heroku-buildpack-ruby-jekyll,thirdprestige/heroku-buildpack-ruby,CPPWind/ruby-buildpack,jumptvs/BP_Ruby,bskyb-commerce/help-heroku-buildpack,davidjrice/heroku-buildpack-couchbase-ruby,zunda/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,tenjikinc/heroku-buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,ascot21/heroku-buildpack-turbo-sprockets,nicholasmott/heroku-buildpack-octopress,codykrieger/heroku-buildpack-jekyll,allomov/fat-free-heroku-buildpack-ruby,cordata/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,dlorson/gentle-buildpack,Altoros/ruby-buildpack,fcruxen/ruby-buildpack,travis-ci/heroku-buildpack-ruby,electricobjects/heroku-buildpack-ruby,takii/db2rubybuildpack,jumptvs/BP_Ruby,pietrop/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,mintybit/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,dtao/teeny-buildpack,jumptvs/BP_Ruby,HYPERHYPER/heroku-buildpack-ruby,sky-uk/help-heroku-buildpack,donnykurnia/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,progrium/heroku-buildpack-ruby,thirdprestige/heroku-buildpack-ruby,anay/buildpack-ruby-with-oracle-jdk,Altoros/ruby-buildpack,Scalingo/ruby-buildpack,nthj/heroku-buildpack-mirror,orenyk/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,jayshreeanand/heroku-buildpack-ruby,sky-uk/ruby-buildpack,schu/heroku-buildpack-ruby,wycats/heroku-buildpack-middleman,Altoros/ruby-buildpack,jayshreeanand/heroku-buildpack-ruby,cloudControl/buildpack-ruby,hpcloud/ruby-buildpack,reesio/heroku-buildpack-ruby,cloudn/buildpack-ruby,swipesense/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,sanemat/heroku-buildpack-ruby-tachikoma