Added String handling to SD class
Added String handling to SD class

nandojve/Arduino,shiitakeo/Arduino,jaehong/Xmegaduino,ashwin713/Arduino,ForestNymph/Arduino_sources,Cloudino/Arduino,eduardocasarin/Arduino,HCastano/Arduino,niggor/Arduino_cc,weera00/Arduino,xxxajk/Arduino-1,eddyst/Arduino-SourceCode,zenmanenergy/Arduino,ogferreiro/Arduino,garci66/Arduino,KlaasDeNys/Arduino,KlaasDeNys/Arduino,adamkh/Arduino,zenmanenergy/Arduino,NeuralSpaz/Arduino,NeuralSpaz/Arduino,koltegirish/Arduino,radut/Arduino,wilhelmryan/Arduino,ashwin713/Arduino,bigjosh/Arduino,damellis/Arduino,ThoughtWorksIoTGurgaon/Arduino,wdoganowski/Arduino,tskurauskas/Arduino,raimohanska/Arduino,niggor/Arduino_cc,byran/Arduino,KlaasDeNys/Arduino,PaoloP74/Arduino,adamkh/Arduino,mattvenn/Arduino,ricklon/Arduino,ThoughtWorksIoTGurgaon/Arduino,NaSymbol/Arduino,gberl001/Arduino,eggfly/arduino,eduardocasarin/Arduino,jaimemaretoli/Arduino,ikbelkirasan/Arduino,tommyli2014/Arduino,zaiexx/Arduino,ForestNymph/Arduino_sources,bigjosh/Arduino,PeterVH/Arduino,eeijcea/Arduino-1,NeuralSpaz/Arduino,acosinwork/Arduino,bigjosh/Arduino,ThoughtWorksIoTGurgaon/Arduino,zenmanenergy/Arduino,paulmand3l/Arduino,Gourav2906/Arduino,tannewt/Arduino,paulmand3l/Arduino,ccoenen/Arduino,jaimemaretoli/Arduino,Protoneer/Arduino,steamboating/Arduino,lukeWal/Arduino,mateuszdw/Arduino,jamesrob4/Arduino,tskurauskas/Arduino,NaSymbol/Arduino,eddyst/Arduino-SourceCode,myrtleTree33/Arduino,zederson/Arduino,ccoenen/Arduino,zaiexx/Arduino,ThoughtWorksIoTGurgaon/Arduino,onovy/Arduino,jamesrob4/Arduino,majenkotech/Arduino,spapadim/Arduino,shannonshsu/Arduino,Chris--A/Arduino,adamkh/Arduino,tannewt/Arduino,lulufei/Arduino,jaehong/Xmegaduino,ashwin713/Arduino,jomolinare/Arduino,ccoenen/Arduino,lukeWal/Arduino,Gourav2906/Arduino,radut/Arduino,gestrem/Arduino,nkolban/Arduino,spapadim/Arduino,gestrem/Arduino,snargledorf/Arduino,jomolinare/Arduino,cscenter/Arduino,talhaburak/Arduino,KlaasDeNys/Arduino,tbowmo/Arduino,ari-analytics/Arduino,ogahara/Arduino,NeuralSpaz/Arduino,tannewt/Arduino,tomkrus007/Arduino,tomkrus007/Arduino,lukeWal/Arduino,shiitakeo/Arduino,kidswong999/Arduino,ari-analytics/Arduino,ForestNymph/Arduino_sources,adamkh/Arduino,ari-analytics/Arduino,laylthe/Arduino,koltegirish/Arduino,nkolban/Arduino,tbowmo/Arduino,radut/Arduino,laylthe/Arduino,Cloudino/Cloudino-Arduino-IDE,PaoloP74/Arduino,gestrem/Arduino,sanyaade-iot/Arduino-1,me-no-dev/Arduino-1,acosinwork/Arduino,paulo-raca/ESP8266-Arduino,bsmr-arduino/Arduino,lulufei/Arduino,jaehong/Xmegaduino,gestrem/Arduino,mattvenn/Arduino,gestrem/Arduino,nandojve/Arduino,leftbrainstrain/Arduino-ESP8266,vbextreme/Arduino,xxxajk/Arduino-1,stickbreaker/Arduino,Protoneer/Arduino,tomkrus007/Arduino,OpenDevice/Arduino,Cloudino/Arduino,superboonie/Arduino,onovy/Arduino,Cloudino/Cloudino-Arduino-IDE,superboonie/Arduino,myrtleTree33/Arduino,jaimemaretoli/Arduino,zaiexx/Arduino,niggor/Arduino_cc,talhaburak/Arduino,vbextreme/Arduino,fungxu/Arduino,ari-analytics/Arduino,damellis/Arduino,NicoHood/Arduino,zaiexx/Arduino,KlaasDeNys/Arduino,ogahara/Arduino,Protoneer/Arduino,lukeWal/Arduino,onovy/Arduino,Gourav2906/Arduino,bsmr-arduino/Arduino,arunkuttiyara/Arduino,superboonie/Arduino,lulufei/Arduino,gestrem/Arduino,ssvs111/Arduino,onovy/Arduino,HCastano/Arduino,OpenDevice/Arduino,mateuszdw/Arduino,ashwin713/Arduino,aichi/Arduino-2,pdNor/Arduino,drpjk/Arduino,adafruit/ESP8266-Arduino,ogferreiro/Arduino,PaoloP74/Arduino,NaSymbol/Arduino,nandojve/Arduino,shiitakeo/Arduino,bigjosh/Arduino,tannewt/Arduino,paulmand3l/Arduino,ccoenen/Arduino,me-no-dev/Arduino-1,spapadim/Arduino,jaimemaretoli/Arduino,Alfredynho/AgroSis,spapadim/Arduino,bsmr-arduino/Arduino,stickbreaker/Arduino,PeterVH/Arduino,koltegirish/Arduino,Cloudino/Cloudino-Arduino-IDE,pdNor/Arduino,tannewt/Arduino,myrtleTree33/Arduino,koltegirish/Arduino,stevemayhew/Arduino,eduardocasarin/Arduino,kidswong999/Arduino,Cloudino/Arduino,wdoganowski/Arduino,adafruit/ESP8266-Arduino,henningpohl/Arduino,EmuxEvans/Arduino,ashwin713/Arduino,ogahara/Arduino,jmgonzalez00449/Arduino,pdNor/Arduino,NicoHood/Arduino,gonium/Arduino,zenmanenergy/Arduino,ogahara/Arduino,onovy/Arduino,jamesrob4/Arduino,tommyli2014/Arduino,ccoenen/Arduino,andyvand/Arduino-1,henningpohl/Arduino,drpjk/Arduino,danielchalef/Arduino,zaiexx/Arduino,steamboating/Arduino,arunkuttiyara/Arduino,ogferreiro/Arduino,jmgonzalez00449/Arduino,pdNor/Arduino,leftbrainstrain/Arduino-ESP8266,zaiexx/Arduino,noahchense/Arduino-1,ThoughtWorksIoTGurgaon/Arduino,tbowmo/Arduino,karlitxo/Arduino,gonium/Arduino,gonium/Arduino,mateuszdw/Arduino,sanyaade-iot/Arduino-1,me-no-dev/Arduino-1,lulufei/Arduino,spapadim/Arduino,danielchalef/Arduino,ari-analytics/Arduino,zenmanenergy/Arduino,ccoenen/Arduino,PeterVH/Arduino,xxxajk/Arduino-1,drpjk/Arduino,superboonie/Arduino,ForestNymph/Arduino_sources,jabezGit/Arduino,leftbrainstrain/Arduino-ESP8266,shannonshsu/Arduino,karlitxo/Arduino,jabezGit/Arduino,jamesrob4/Arduino,zederson/Arduino,EmuxEvans/Arduino,HCastano/Arduino,jaehong/Xmegaduino,fungxu/Arduino,gonium/Arduino,byran/Arduino,pdNor/Arduino,eddyst/Arduino-SourceCode,Protoneer/Arduino,tskurauskas/Arduino,mangelajo/Arduino,me-no-dev/Arduino-1,fungxu/Arduino,Alfredynho/AgroSis,arunkuttiyara/Arduino,smily77/Arduino,bsmr-arduino/Arduino,NaSymbol/Arduino,tskurauskas/Arduino,niggor/Arduino_cc,myrtleTree33/Arduino,paulmand3l/Arduino,xxxajk/Arduino-1,NeuralSpaz/Arduino,EmuxEvans/Arduino,eddyst/Arduino-SourceCode,wilhelmryan/Arduino,steamboating/Arduino,Chris--A/Arduino,eeijcea/Arduino-1,wayoda/Arduino,garci66/Arduino,ntruchsess/Arduino-1,eeijcea/Arduino-1,henningpohl/Arduino,Protoneer/Arduino,aichi/Arduino-2,drpjk/Arduino,Alfredynho/AgroSis,OpenDevice/Arduino,jamesrob4/Arduino,noahchense/Arduino-1,eduardocasarin/Arduino,paulmand3l/Arduino,nandojve/Arduino,leftbrainstrain/Arduino-ESP8266,KlaasDeNys/Arduino,Alfredynho/AgroSis,niggor/Arduino_cc,radut/Arduino,eggfly/arduino,eeijcea/Arduino-1,ektor5/Arduino,aichi/Arduino-2,ntruchsess/Arduino-1,shannonshsu/Arduino,HCastano/Arduino,nkolban/Arduino,jabezGit/Arduino,jaimemaretoli/Arduino,tskurauskas/Arduino,ssvs111/Arduino,smily77/Arduino,eddyst/Arduino-SourceCode,PaoloP74/Arduino,vbextreme/Arduino,noahchense/Arduino-1,snargledorf/Arduino,adamkh/Arduino,tomkrus007/Arduino,vbextreme/Arduino,jomolinare/Arduino,paulo-raca/ESP8266-Arduino,lulufei/Arduino,damellis/Arduino,ikbelkirasan/Arduino,pdNor/Arduino,jmgonzalez00449/Arduino,nandojve/Arduino,jomolinare/Arduino,weera00/Arduino,bsmr-arduino/Arduino,leftbrainstrain/Arduino-ESP8266,pdNor/Arduino,wayoda/Arduino,Chris--A/Arduino,adamkh/Arduino,danielchalef/Arduino,danielchalef/Arduino,mangelajo/Arduino,paulo-raca/ESP8266-Arduino,jomolinare/Arduino,jmgonzalez00449/Arduino,byran/Arduino,EmuxEvans/Arduino,weera00/Arduino,tannewt/Arduino,tommyli2014/Arduino,KlaasDeNys/Arduino,ntruchsess/Arduino-1,byran/Arduino,jaimemaretoli/Arduino,tbowmo/Arduino,ashwin713/Arduino,ogahara/Arduino,shiitakeo/Arduino,gberl001/Arduino,mattvenn/Arduino,ashwin713/Arduino,nkolban/Arduino,drpjk/Arduino,henningpohl/Arduino,zederson/Arduino,damellis/Arduino,ccoenen/Arduino,jamesrob4/Arduino,aichi/Arduino-2,ssvs111/Arduino,bigjosh/Arduino,kidswong999/Arduino,gonium/Arduino,Alfredynho/AgroSis,tskurauskas/Arduino,jabezGit/Arduino,koltegirish/Arduino,ari-analytics/Arduino,lukeWal/Arduino,leftbrainstrain/Arduino-ESP8266,ikbelkirasan/Arduino,talhaburak/Arduino,wdoganowski/Arduino,ektor5/Arduino,tbowmo/Arduino,talhaburak/Arduino,smily77/Arduino,bigjosh/Arduino,NaSymbol/Arduino,vbextreme/Arduino,superboonie/Arduino,gberl001/Arduino,bigjosh/Arduino,andyvand/Arduino-1,adamkh/Arduino,NaSymbol/Arduino,Cloudino/Arduino,NicoHood/Arduino,radut/Arduino,majenkotech/Arduino,koltegirish/Arduino,EmuxEvans/Arduino,andyvand/Arduino-1,zaiexx/Arduino,jabezGit/Arduino,Cloudino/Cloudino-Arduino-IDE,noahchense/Arduino-1,tomkrus007/Arduino,paulo-raca/ESP8266-Arduino,leftbrainstrain/Arduino-ESP8266,kidswong999/Arduino,shiitakeo/Arduino,OpenDevice/Arduino,ektor5/Arduino,PeterVH/Arduino,kidswong999/Arduino,karlitxo/Arduino,xxxajk/Arduino-1,danielchalef/Arduino,PeterVH/Arduino,chaveiro/Arduino,garci66/Arduino,smily77/Arduino,sanyaade-iot/Arduino-1,ikbelkirasan/Arduino,PeterVH/Arduino,mattvenn/Arduino,stickbreaker/Arduino,vbextreme/Arduino,byran/Arduino,Cloudino/Arduino,andyvand/Arduino-1,ikbelkirasan/Arduino,talhaburak/Arduino,wilhelmryan/Arduino,noahchense/Arduino-1,cscenter/Arduino,ikbelkirasan/Arduino,shiitakeo/Arduino,drpjk/Arduino,NeuralSpaz/Arduino,gberl001/Arduino,gberl001/Arduino,niggor/Arduino_cc,cscenter/Arduino,Alfredynho/AgroSis,smily77/Arduino,laylthe/Arduino,ogferreiro/Arduino,Chris--A/Arduino,tbowmo/Arduino,Alfredynho/AgroSis,me-no-dev/Arduino-1,majenkotech/Arduino,laylthe/Arduino,jomolinare/Arduino,kidswong999/Arduino,snargledorf/Arduino,laylthe/Arduino,raimohanska/Arduino,raimohanska/Arduino,ikbelkirasan/Arduino,KlaasDeNys/Arduino,Protoneer/Arduino,mangelajo/Arduino,tommyli2014/Arduino,nandojve/Arduino,steamboating/Arduino,garci66/Arduino,karlitxo/Arduino,superboonie/Arduino,ssvs111/Arduino,myrtleTree33/Arduino,tommyli2014/Arduino,chaveiro/Arduino,wayoda/Arduino,cscenter/Arduino,paulo-raca/ESP8266-Arduino,sanyaade-iot/Arduino-1,cscenter/Arduino,jmgonzalez00449/Arduino,lulufei/Arduino,Chris--A/Arduino,mateuszdw/Arduino,jaehong/Xmegaduino,ogferreiro/Arduino,raimohanska/Arduino,acosinwork/Arduino,eeijcea/Arduino-1,mattvenn/Arduino,chaveiro/Arduino,tomkrus007/Arduino,mateuszdw/Arduino,aichi/Arduino-2,weera00/Arduino,niggor/Arduino_cc,niggor/Arduino_cc,bigjosh/Arduino,paulo-raca/ESP8266-Arduino,lukeWal/Arduino,PaoloP74/Arduino,jamesrob4/Arduino,sanyaade-iot/Arduino-1,majenkotech/Arduino,ntruchsess/Arduino-1,me-no-dev/Arduino-1,byran/Arduino,Protoneer/Arduino,zederson/Arduino,ricklon/Arduino,eggfly/arduino,PaoloP74/Arduino,ari-analytics/Arduino,koltegirish/Arduino,Chris--A/Arduino,henningpohl/Arduino,ccoenen/Arduino,gestrem/Arduino,paulmand3l/Arduino,talhaburak/Arduino,ektor5/Arduino,chaveiro/Arduino,nkolban/Arduino,karlitxo/Arduino,tskurauskas/Arduino,eddyst/Arduino-SourceCode,cscenter/Arduino,me-no-dev/Arduino-1,wayoda/Arduino,chaveiro/Arduino,eggfly/arduino,drpjk/Arduino,xxxajk/Arduino-1,cscenter/Arduino,steamboating/Arduino,eggfly/arduino,ikbelkirasan/Arduino,weera00/Arduino,spapadim/Arduino,NaSymbol/Arduino,paulmand3l/Arduino,smily77/Arduino,ashwin713/Arduino,kidswong999/Arduino,fungxu/Arduino,jabezGit/Arduino,jaimemaretoli/Arduino,adafruit/ESP8266-Arduino,aichi/Arduino-2,wayoda/Arduino,ForestNymph/Arduino_sources,NaSymbol/Arduino,onovy/Arduino,zederson/Arduino,damellis/Arduino,sanyaade-iot/Arduino-1,wilhelmryan/Arduino,fungxu/Arduino,ssvs111/Arduino,radut/Arduino,ntruchsess/Arduino-1,ricklon/Arduino,kidswong999/Arduino,xxxajk/Arduino-1,shannonshsu/Arduino,adafruit/ESP8266-Arduino,snargledorf/Arduino,shannonshsu/Arduino,jaehong/Xmegaduino,paulo-raca/ESP8266-Arduino,acosinwork/Arduino,henningpohl/Arduino,wdoganowski/Arduino,shannonshsu/Arduino,raimohanska/Arduino,mattvenn/Arduino,ThoughtWorksIoTGurgaon/Arduino,wdoganowski/Arduino,gberl001/Arduino,NicoHood/Arduino,Gourav2906/Arduino,me-no-dev/Arduino-1,lukeWal/Arduino,wayoda/Arduino,jmgonzalez00449/Arduino,mattvenn/Arduino,adafruit/ESP8266-Arduino,pdNor/Arduino,lukeWal/Arduino,steamboating/Arduino,mangelajo/Arduino,wilhelmryan/Arduino,Cloudino/Cloudino-Arduino-IDE,byran/Arduino,stickbreaker/Arduino,zederson/Arduino,xxxajk/Arduino-1,gonium/Arduino,gonium/Arduino,chaveiro/Arduino,tommyli2014/Arduino,chaveiro/Arduino,karlitxo/Arduino,ntruchsess/Arduino-1,radut/Arduino,Cloudino/Arduino,henningpohl/Arduino,shiitakeo/Arduino,stevemayhew/Arduino,bsmr-arduino/Arduino,PaoloP74/Arduino,shannonshsu/Arduino,acosinwork/Arduino,wilhelmryan/Arduino,eggfly/arduino,tskurauskas/Arduino,stickbreaker/Arduino,NicoHood/Arduino,mateuszdw/Arduino,ntruchsess/Arduino-1,Chris--A/Arduino,HCastano/Arduino,snargledorf/Arduino,danielchalef/Arduino,vbextreme/Arduino,HCastano/Arduino,eduardocasarin/Arduino,danielchalef/Arduino,damellis/Arduino,andyvand/Arduino-1,ForestNymph/Arduino_sources,chaveiro/Arduino,OpenDevice/Arduino,zenmanenergy/Arduino,garci66/Arduino,eduardocasarin/Arduino,adamkh/Arduino,ektor5/Arduino,NicoHood/Arduino,talhaburak/Arduino,eeijcea/Arduino-1,ForestNymph/Arduino_sources,ricklon/Arduino,Cloudino/Cloudino-Arduino-IDE,EmuxEvans/Arduino,mangelajo/Arduino,jomolinare/Arduino,stevemayhew/Arduino,shannonshsu/Arduino,karlitxo/Arduino,sanyaade-iot/Arduino-1,weera00/Arduino,NicoHood/Arduino,damellis/Arduino,Gourav2906/Arduino,superboonie/Arduino,niggor/Arduino_cc,eggfly/arduino,garci66/Arduino,tbowmo/Arduino,aichi/Arduino-2,zederson/Arduino,jaehong/Xmegaduino,mangelajo/Arduino,nkolban/Arduino,ThoughtWorksIoTGurgaon/Arduino,nandojve/Arduino,zaiexx/Arduino,tannewt/Arduino,ogahara/Arduino,ricklon/Arduino,noahchense/Arduino-1,ogferreiro/Arduino,mateuszdw/Arduino,eduardocasarin/Arduino,NicoHood/Arduino,mangelajo/Arduino,acosinwork/Arduino,OpenDevice/Arduino,ogferreiro/Arduino,cscenter/Arduino,NeuralSpaz/Arduino,smily77/Arduino,weera00/Arduino,stevemayhew/Arduino,ari-analytics/Arduino,noahchense/Arduino-1,eddyst/Arduino-SourceCode,stevemayhew/Arduino,talhaburak/Arduino,Chris--A/Arduino,andyvand/Arduino-1,ogahara/Arduino,raimohanska/Arduino,steamboating/Arduino,arunkuttiyara/Arduino,bsmr-arduino/Arduino,arunkuttiyara/Arduino,tbowmo/Arduino,garci66/Arduino,myrtleTree33/Arduino,jaimemaretoli/Arduino,wdoganowski/Arduino,adafruit/ESP8266-Arduino,eeijcea/Arduino-1,raimohanska/Arduino,tomkrus007/Arduino,fungxu/Arduino,majenkotech/Arduino,majenkotech/Arduino,Cloudino/Cloudino-Arduino-IDE,onovy/Arduino,eggfly/arduino,stevemayhew/Arduino,PeterVH/Arduino,wilhelmryan/Arduino,fungxu/Arduino,stevemayhew/Arduino,gberl001/Arduino,wdoganowski/Arduino,majenkotech/Arduino,stevemayhew/Arduino,ntruchsess/Arduino-1,jabezGit/Arduino,ssvs111/Arduino,arunkuttiyara/Arduino,jmgonzalez00449/Arduino,snargledorf/Arduino,ThoughtWorksIoTGurgaon/Arduino,arunkuttiyara/Arduino,acosinwork/Arduino,myrtleTree33/Arduino,Gourav2906/Arduino,laylthe/Arduino,acosinwork/Arduino,tommyli2014/Arduino,vbextreme/Arduino,ricklon/Arduino,wayoda/Arduino,byran/Arduino,OpenDevice/Arduino,HCastano/Arduino,ssvs111/Arduino,laylthe/Arduino,Gourav2906/Arduino,garci66/Arduino,EmuxEvans/Arduino,adafruit/ESP8266-Arduino,jabezGit/Arduino,Cloudino/Arduino,PeterVH/Arduino,eddyst/Arduino-SourceCode,stickbreaker/Arduino,nkolban/Arduino,nandojve/Arduino,Gourav2906/Arduino,PaoloP74/Arduino,ektor5/Arduino,ricklon/Arduino,andyvand/Arduino-1,stickbreaker/Arduino,zenmanenergy/Arduino,HCastano/Arduino,snargledorf/Arduino,lulufei/Arduino,wayoda/Arduino,tomkrus007/Arduino,henningpohl/Arduino,superboonie/Arduino,bsmr-arduino/Arduino,spapadim/Arduino,jmgonzalez00449/Arduino