Wire (AVR): Fix bug with repeated START
Wire (AVR): Fix bug with repeated START

Fix #66

zaiexx/Arduino,PaoloP74/Arduino,PeterVH/Arduino,eddyst/Arduino-SourceCode,eddyst/Arduino-SourceCode,superboonie/Arduino,Gourav2906/Arduino,eddyst/Arduino-SourceCode,chaveiro/Arduino,chaveiro/Arduino,HCastano/Arduino,NaSymbol/Arduino,PaoloP74/Arduino,acosinwork/Arduino,tbowmo/Arduino,jabezGit/Arduino,bsmr-arduino/Arduino,Gourav2906/Arduino,tskurauskas/Arduino,acosinwork/Arduino,Chris--A/Arduino,acosinwork/Arduino,ari-analytics/Arduino,henningpohl/Arduino,stevemayhew/Arduino,superboonie/Arduino,nandojve/Arduino,bigjosh/Arduino,bigjosh/Arduino,henningpohl/Arduino,NicoHood/Arduino,stickbreaker/Arduino,stevemayhew/Arduino,jaimemaretoli/Arduino,cscenter/Arduino,stickbreaker/Arduino,superboonie/Arduino,byran/Arduino,PeterVH/Arduino,vbextreme/Arduino,superboonie/Arduino,garci66/Arduino,niggor/Arduino_cc,garci66/Arduino,acosinwork/Arduino,adamkh/Arduino,henningpohl/Arduino,HCastano/Arduino,me-no-dev/Arduino-1,KlaasDeNys/Arduino,eggfly/arduino,ntruchsess/Arduino-1,bigjosh/Arduino,NicoHood/Arduino,tskurauskas/Arduino,stevemayhew/Arduino,xxxajk/Arduino-1,pdNor/Arduino,bigjosh/Arduino,lukeWal/Arduino,KlaasDeNys/Arduino,PeterVH/Arduino,cscenter/Arduino,talhaburak/Arduino,talhaburak/Arduino,henningpohl/Arduino,KlaasDeNys/Arduino,Chris--A/Arduino,cscenter/Arduino,bsmr-arduino/Arduino,nandojve/Arduino,jabezGit/Arduino,vbextreme/Arduino,kidswong999/Arduino,PeterVH/Arduino,ntruchsess/Arduino-1,vbextreme/Arduino,superboonie/Arduino,pdNor/Arduino,bsmr-arduino/Arduino,me-no-dev/Arduino-1,chaveiro/Arduino,lukeWal/Arduino,stickbreaker/Arduino,chaveiro/Arduino,bigjosh/Arduino,tskurauskas/Arduino,shannonshsu/Arduino,cscenter/Arduino,shannonshsu/Arduino,jmgonzalez00449/Arduino,nandojve/Arduino,jabezGit/Arduino,NicoHood/Arduino,ThoughtWorksIoTGurgaon/Arduino,byran/Arduino,jmgonzalez00449/Arduino,NaSymbol/Arduino,xxxajk/Arduino-1,henningpohl/Arduino,garci66/Arduino,nandojve/Arduino,Chris--A/Arduino,nandojve/Arduino,KlaasDeNys/Arduino,NicoHood/Arduino,henningpohl/Arduino,lukeWal/Arduino,jabezGit/Arduino,lukeWal/Arduino,talhaburak/Arduino,jaimemaretoli/Arduino,ntruchsess/Arduino-1,kidswong999/Arduino,garci66/Arduino,PeterVH/Arduino,nandojve/Arduino,ThoughtWorksIoTGurgaon/Arduino,talhaburak/Arduino,jaimemaretoli/Arduino,PeterVH/Arduino,wayoda/Arduino,wayoda/Arduino,ccoenen/Arduino,jabezGit/Arduino,jabezGit/Arduino,zaiexx/Arduino,tomkrus007/Arduino,adamkh/Arduino,tskurauskas/Arduino,jmgonzalez00449/Arduino,ikbelkirasan/Arduino,superboonie/Arduino,NaSymbol/Arduino,adamkh/Arduino,tskurauskas/Arduino,stickbreaker/Arduino,Gourav2906/Arduino,lukeWal/Arduino,NicoHood/Arduino,eddyst/Arduino-SourceCode,ikbelkirasan/Arduino,HCastano/Arduino,majenkotech/Arduino,eddyst/Arduino-SourceCode,nandojve/Arduino,tbowmo/Arduino,Gourav2906/Arduino,jmgonzalez00449/Arduino,ThoughtWorksIoTGurgaon/Arduino,eggfly/arduino,jaimemaretoli/Arduino,tbowmo/Arduino,tomkrus007/Arduino,NicoHood/Arduino,eddyst/Arduino-SourceCode,NaSymbol/Arduino,tomkrus007/Arduino,shannonshsu/Arduino,ikbelkirasan/Arduino,NicoHood/Arduino,cscenter/Arduino,adamkh/Arduino,chaveiro/Arduino,bigjosh/Arduino,ThoughtWorksIoTGurgaon/Arduino,NaSymbol/Arduino,xxxajk/Arduino-1,tbowmo/Arduino,bsmr-arduino/Arduino,tbowmo/Arduino,jabezGit/Arduino,majenkotech/Arduino,vbextreme/Arduino,ntruchsess/Arduino-1,lukeWal/Arduino,HCastano/Arduino,cscenter/Arduino,tomkrus007/Arduino,niggor/Arduino_cc,NicoHood/Arduino,PaoloP74/Arduino,eggfly/arduino,ccoenen/Arduino,HCastano/Arduino,ccoenen/Arduino,me-no-dev/Arduino-1,adamkh/Arduino,bsmr-arduino/Arduino,lukeWal/Arduino,stevemayhew/Arduino,stickbreaker/Arduino,adamkh/Arduino,pdNor/Arduino,acosinwork/Arduino,byran/Arduino,byran/Arduino,talhaburak/Arduino,majenkotech/Arduino,majenkotech/Arduino,tbowmo/Arduino,PaoloP74/Arduino,eggfly/arduino,chaveiro/Arduino,shannonshsu/Arduino,ikbelkirasan/Arduino,ikbelkirasan/Arduino,Gourav2906/Arduino,ntruchsess/Arduino-1,Chris--A/Arduino,shannonshsu/Arduino,vbextreme/Arduino,acosinwork/Arduino,ccoenen/Arduino,garci66/Arduino,zaiexx/Arduino,lukeWal/Arduino,zaiexx/Arduino,bigjosh/Arduino,jmgonzalez00449/Arduino,zaiexx/Arduino,chaveiro/Arduino,KlaasDeNys/Arduino,me-no-dev/Arduino-1,shannonshsu/Arduino,tbowmo/Arduino,majenkotech/Arduino,talhaburak/Arduino,wayoda/Arduino,stevemayhew/Arduino,niggor/Arduino_cc,zaiexx/Arduino,zaiexx/Arduino,cscenter/Arduino,chaveiro/Arduino,stickbreaker/Arduino,kidswong999/Arduino,ari-analytics/Arduino,stevemayhew/Arduino,niggor/Arduino_cc,henningpohl/Arduino,ntruchsess/Arduino-1,me-no-dev/Arduino-1,shannonshsu/Arduino,ntruchsess/Arduino-1,jabezGit/Arduino,majenkotech/Arduino,majenkotech/Arduino,pdNor/Arduino,Gourav2906/Arduino,ThoughtWorksIoTGurgaon/Arduino,henningpohl/Arduino,HCastano/Arduino,niggor/Arduino_cc,tomkrus007/Arduino,niggor/Arduino_cc,tomkrus007/Arduino,Gourav2906/Arduino,byran/Arduino,bsmr-arduino/Arduino,adamkh/Arduino,superboonie/Arduino,Chris--A/Arduino,KlaasDeNys/Arduino,byran/Arduino,HCastano/Arduino,wayoda/Arduino,ThoughtWorksIoTGurgaon/Arduino,tbowmo/Arduino,bsmr-arduino/Arduino,jaimemaretoli/Arduino,cscenter/Arduino,acosinwork/Arduino,jmgonzalez00449/Arduino,KlaasDeNys/Arduino,xxxajk/Arduino-1,niggor/Arduino_cc,PaoloP74/Arduino,vbextreme/Arduino,ccoenen/Arduino,tomkrus007/Arduino,superboonie/Arduino,tomkrus007/Arduino,garci66/Arduino,byran/Arduino,kidswong999/Arduino,tskurauskas/Arduino,tskurauskas/Arduino,shannonshsu/Arduino,ntruchsess/Arduino-1,PaoloP74/Arduino,eggfly/arduino,ari-analytics/Arduino,NaSymbol/Arduino,PeterVH/Arduino,wayoda/Arduino,NaSymbol/Arduino,ari-analytics/Arduino,eggfly/arduino,Chris--A/Arduino,eddyst/Arduino-SourceCode,ari-analytics/Arduino,garci66/Arduino,NaSymbol/Arduino,ThoughtWorksIoTGurgaon/Arduino,wayoda/Arduino,stickbreaker/Arduino,PaoloP74/Arduino,kidswong999/Arduino,vbextreme/Arduino,talhaburak/Arduino,wayoda/Arduino,byran/Arduino,jaimemaretoli/Arduino,pdNor/Arduino,kidswong999/Arduino,ikbelkirasan/Arduino,eggfly/arduino,ccoenen/Arduino,KlaasDeNys/Arduino,PaoloP74/Arduino,jaimemaretoli/Arduino,Chris--A/Arduino,xxxajk/Arduino-1,xxxajk/Arduino-1,talhaburak/Arduino,ccoenen/Arduino,niggor/Arduino_cc,me-no-dev/Arduino-1,pdNor/Arduino,wayoda/Arduino,stevemayhew/Arduino,ikbelkirasan/Arduino,nandojve/Arduino,ari-analytics/Arduino,me-no-dev/Arduino-1,tskurauskas/Arduino,ikbelkirasan/Arduino,ari-analytics/Arduino,PeterVH/Arduino,HCastano/Arduino,xxxajk/Arduino-1,garci66/Arduino,ari-analytics/Arduino,acosinwork/Arduino,zaiexx/Arduino,xxxajk/Arduino-1,niggor/Arduino_cc,me-no-dev/Arduino-1,Gourav2906/Arduino,jmgonzalez00449/Arduino,pdNor/Arduino,pdNor/Arduino,kidswong999/Arduino,bsmr-arduino/Arduino,ccoenen/Arduino,eggfly/arduino,bigjosh/Arduino,Chris--A/Arduino,vbextreme/Arduino,stevemayhew/Arduino,adamkh/Arduino,eddyst/Arduino-SourceCode,kidswong999/Arduino,jaimemaretoli/Arduino,jmgonzalez00449/Arduino,ThoughtWorksIoTGurgaon/Arduino