add prune lower res tiles algorithm
add prune lower res tiles algorithm

hyperknot/Leaflet,pzdz/Leaflet,Andrey-Pavlov/Leaflet,davojta/Leaflet,psicomante/Leaflet,dhootha/Leaflet,psicomante/Leaflet,CorainChicago/Leaflet,akauppi/Leaflet,kjell/Leaflet,Andrey-Pavlov/Leaflet,frogcat/Leaflet,CapeSepias/Leaflet,snkashis/Leaflet,thalesfsp/Leaflet,mediasuitenz/Leaflet,beni55/Leaflet,javimolla/Leaflet,beni55/Leaflet,sellonen/Leaflet,huangsong/Leaflet,kumy/Leaflet,Fil/Leaflet,yohanboniface/Leaflet,fab1an/Leaflet,fredericksilva/Leaflet,nikhildhamsaniya/Leaflet,taraszerebecki/Leaflet,sellonen/Leaflet,brah/Leaflet,stefanocudini/Leaflet,Trufi/Leaflet,sambernet/Leaflet,sisou/Leaflet,andrewmartini/Leaflet,elkingtonmcb/Leaflet,fillerwriter/Leaflet,sellonen/Leaflet,AndBicScadMedia/Leaflet,dhootha/Leaflet,stefanocudini/Leaflet,cmulders/Leaflet,codeator/Leaflet,jasonoverland/Leaflet,davidlukerice/Leaflet,wancharle/Leaflet,geoloep/Leaflet,billybonz1/Leaflet,msokk/Leaflet,grahamthompson/Leaflet,mstahv/Leaflet,tsantacruz/RotationalMarker,litnerdy/Leaflet,davojta/Leaflet,sambernet/Leaflet,olafurr/Leaflet,Ubisense/Leaflet,starsolaris/Leaflet,Ubisense/Leaflet,jmutua2015/Leaflet,mbrukman/Leaflet,jmutua2015/Leaflet,bolshoibooze/Leaflet,rlugojr/Leaflet,elkingtonmcb/Leaflet,jblarsen/Leaflet,mbrukman/Leaflet,tomnod/Leaflet,sisou/Leaflet,DrillingInfo/Leaflet,MuellerMatthew/Leaflet,javimolla/Leaflet,wrrnwng/Leaflet,elfalem/Leaflet,iOffice/Leaflet,alex2wong/Leaflet,waeltken/Leaflet,litnerdy/Leaflet,starsolaris/Leaflet,akrzyzanowskino/TeamSE,Leaflet/Leaflet,Neorth/Leaflet,grahamthompson/Leaflet,twoubt/Leaflet,akauppi/Leaflet,prashen/Leaflet,msiadak/Leaflet,beni55/Leaflet,mstahv/Leaflet,kjell/Leaflet,bbecquet/Leaflet,Srikanth4/Leaflet,northerneyes/Leaflet,starsolaris/Leaflet,nathancahill/Leaflet,pakro/Leaflet,eriksjaastad/Leaflet,nikhildhamsaniya/Leaflet,webmechanicx/Leaflet,huangsong/Leaflet,iZucken/Leaflet,pzdz/Leaflet,nycitt/Leaflet,nathancahill/Leaflet,wpf500/Leaflet,2gis/Leaflet,wrrnwng/Leaflet,CapeSepias/Leaflet,Srikanth4/Leaflet,CorainChicago/Leaflet,brah/Leaflet,thalesfsp/Leaflet,mstahv/Leaflet,sisou/Leaflet,fillerwriter/Leaflet,webmechanicx/Leaflet,olafurr/Leaflet,mediasuitenz/Leaflet,billybonz1/Leaflet,scaddenp/Leaflet,Neorth/Leaflet,AP-whitehat/Leaflet,msiadak/Leaflet,AndBicScadMedia/Leaflet,nycitt/Leaflet,fredericksilva/Leaflet,AndBicScadMedia/Leaflet,RyanHickman/Leaflet,devjoseluis/Leaflet,litnerdy/Leaflet,sambernet/Leaflet,klaftertief/Leaflet,iamjonbradley/Leaflet,rlugojr/Leaflet,fillerwriter/Leaflet,jasonoverland/Leaflet,tomnod/Leaflet,tsantacruz/RotationalMarker,juliensoret/Leaflet,jblarsen/Leaflet,klaftertief/Leaflet,wpf500/Leaflet,tormi/Leaflet,rlugojr/Leaflet,akrzyzanowskino/TeamSE,Trufi/Leaflet,iZucken/Leaflet,yohanboniface/Leaflet,wancharle/Leaflet,eriksjaastad/Leaflet,cartant/Leaflet,RobertoMalatesta/Leaflet,wpf500/Leaflet,w8r/Leaflet,pakro/Leaflet,wancharle/Leaflet,mediasuitenz/Leaflet,caiiiycuk/Leaflet,mourner/Leaflet,RLRR/Leaflet,devjoseluis/Leaflet,nvoron23/Leaflet,RLRR/Leaflet,devjoseluis/Leaflet,cmulders/Leaflet,hyperknot/Leaflet,davojta/Leaflet,Trufi/Leaflet,Jakobud/Leaflet,mbrukman/Leaflet,msiadak/Leaflet,DrillingInfo/Leaflet,elfalem/Leaflet,akrzyzanowskino/TeamSE,wrrnwng/Leaflet,bbecquet/Leaflet,msokk/Leaflet,AP-whitehat/Leaflet,lee101/Leaflet,MuellerMatthew/Leaflet,bbecquet/Leaflet,fredericksilva/Leaflet,Leaflet/Leaflet,msokk/Leaflet,lee101/Leaflet,Ossehoht/Leaflet,RyanHickman/Leaflet,twoubt/Leaflet,frogcat/Leaflet,jmutua2015/Leaflet,caiiiycuk/Leaflet,taraszerebecki/Leaflet,webmechanicx/Leaflet,Neorth/Leaflet,w8r/Leaflet,davidlukerice/Leaflet,Srikanth4/Leaflet,scaddenp/Leaflet,nikhildhamsaniya/Leaflet,waeltken/Leaflet,Ossehoht/Leaflet,codeator/Leaflet,elfalem/Leaflet,prashen/Leaflet,juliensoret/Leaflet,tormi/Leaflet,iamjonbradley/Leaflet,davidlukerice/Leaflet,taraszerebecki/Leaflet,fab1an/Leaflet,waeltken/Leaflet,cartant/Leaflet,iOffice/Leaflet,CorainChicago/Leaflet,RyanHickman/Leaflet,akauppi/Leaflet,dhootha/Leaflet,elkingtonmcb/Leaflet,snkashis/Leaflet,mourner/Leaflet,javimolla/Leaflet,scaddenp/Leaflet,nycitt/Leaflet,Ossehoht/Leaflet,mourner/Leaflet,fab1an/Leaflet,Jakobud/Leaflet,andrewmartini/Leaflet,cmulders/Leaflet,Fil/Leaflet,andrewmartini/Leaflet,tbassett44/Leaflet,iamjonbradley/Leaflet,Jakobud/Leaflet,northerneyes/Leaflet,geoloep/Leaflet,huangsong/Leaflet,codeator/Leaflet,tormi/Leaflet,pzdz/Leaflet,iZucken/Leaflet,cartant/Leaflet,prashen/Leaflet,kumy/Leaflet,hyperknot/Leaflet,MuellerMatthew/Leaflet,billybonz1/Leaflet,thalesfsp/Leaflet,klaftertief/Leaflet,bolshoibooze/Leaflet,tbassett44/Leaflet,brah/Leaflet,CapeSepias/Leaflet,Leaflet/Leaflet,Ubisense/Leaflet,nvoron23/Leaflet,nathancahill/Leaflet,Fil/Leaflet,eriksjaastad/Leaflet,tsantacruz/RotationalMarker,snkashis/Leaflet,AP-whitehat/Leaflet,lee101/Leaflet,jblarsen/Leaflet,w8r/Leaflet,Andrey-Pavlov/Leaflet,psicomante/Leaflet,tomnod/Leaflet,alex2wong/Leaflet,jasonoverland/Leaflet,olafurr/Leaflet,RLRR/Leaflet,RobertoMalatesta/Leaflet,iOffice/Leaflet,tbassett44/Leaflet,yohanboniface/Leaflet,pakro/Leaflet,bolshoibooze/Leaflet,grahamthompson/Leaflet,RobertoMalatesta/Leaflet,geoloep/Leaflet,2gis/Leaflet,caiiiycuk/Leaflet,alex2wong/Leaflet,2gis/Leaflet,stefanocudini/Leaflet,frogcat/Leaflet,twoubt/Leaflet,kumy/Leaflet