[changed] Added null checks for 'intersection' variable in all intersection tests so intersect variable is optional. This was already the case with some tests but not all, so it's now consistent. Also fixed some minor doc typos :)
[changed] Added null checks for 'intersection' variable in all intersection tests so intersect variable is optional. This was already the case with some tests but not all, so it's now consistent. Also fixed some minor doc typos :)

titovmaxim/libgdx,MathieuDuponchelle/gdx,FredGithub/libgdx,MetSystem/libgdx,cypherdare/libgdx,Xhanim/libgdx,ThiagoGarciaAlves/libgdx,alex-dorokhov/libgdx,basherone/libgdxcn,alireza-hosseini/libgdx,1yvT0s/libgdx,copystudy/libgdx,del-sol/libgdx,PedroRomanoBarbosa/libgdx,bsmr-java/libgdx,antag99/libgdx,saqsun/libgdx,Deftwun/libgdx,josephknight/libgdx,alex-dorokhov/libgdx,saqsun/libgdx,shiweihappy/libgdx,nelsonsilva/libgdx,collinsmith/libgdx,nrallakis/libgdx,sjosegarcia/libgdx,JFixby/libgdx,saqsun/libgdx,lordjone/libgdx,tommyettinger/libgdx,UnluckyNinja/libgdx,GreenLightning/libgdx,andyvand/libgdx,Zonglin-Li6565/libgdx,309746069/libgdx,jsjolund/libgdx,codepoke/libgdx,MikkelTAndersen/libgdx,KrisLee/libgdx,Dzamir/libgdx,ztv/libgdx,nelsonsilva/libgdx,bgroenks96/libgdx,EsikAntony/libgdx,haedri/libgdx-1,fwolff/libgdx,Heart2009/libgdx,js78/libgdx,snovak/libgdx,djom20/libgdx,mumer92/libgdx,bsmr-java/libgdx,samskivert/libgdx,stinsonga/libgdx,309746069/libgdx,jberberick/libgdx,fwolff/libgdx,ricardorigodon/libgdx,del-sol/libgdx,srwonka/libGdx,MetSystem/libgdx,JDReutt/libgdx,xpenatan/libgdx-LWJGL3,kzganesan/libgdx,MovingBlocks/libgdx,gdos/libgdx,NathanSweet/libgdx,alex-dorokhov/libgdx,gf11speed/libgdx,xranby/libgdx,luischavez/libgdx,ricardorigodon/libgdx,gf11speed/libgdx,SidneyXu/libgdx,fiesensee/libgdx,Senth/libgdx,KrisLee/libgdx,srwonka/libGdx,xoppa/libgdx,firefly2442/libgdx,tommycli/libgdx,MathieuDuponchelle/gdx,collinsmith/libgdx,codepoke/libgdx,petugez/libgdx,Arcnor/libgdx,Deftwun/libgdx,flaiker/libgdx,MovingBlocks/libgdx,libgdx/libgdx,sarkanyi/libgdx,billgame/libgdx,designcrumble/libgdx,Wisienkas/libgdx,Thotep/libgdx,309746069/libgdx,kzganesan/libgdx,azakhary/libgdx,mumer92/libgdx,Arcnor/libgdx,sjosegarcia/libgdx,Dzamir/libgdx,BlueRiverInteractive/libgdx,katiepino/libgdx,GreenLightning/libgdx,MetSystem/libgdx,zhimaijoy/libgdx,kagehak/libgdx,noelsison2/libgdx,jberberick/libgdx,1yvT0s/libgdx,saqsun/libgdx,MadcowD/libgdx,shiweihappy/libgdx,fiesensee/libgdx,nrallakis/libgdx,ttencate/libgdx,mumer92/libgdx,flaiker/libgdx,kotcrab/libgdx,alireza-hosseini/libgdx,tommyettinger/libgdx,Wisienkas/libgdx,davebaol/libgdx,fwolff/libgdx,petugez/libgdx,FredGithub/libgdx,KrisLee/libgdx,nudelchef/libgdx,del-sol/libgdx,MetSystem/libgdx,nooone/libgdx,bgroenks96/libgdx,TheAks999/libgdx,SidneyXu/libgdx,mumer92/libgdx,collinsmith/libgdx,fiesensee/libgdx,Dzamir/libgdx,ryoenji/libgdx,petugez/libgdx,GreenLightning/libgdx,BlueRiverInteractive/libgdx,Heart2009/libgdx,kagehak/libgdx,NathanSweet/libgdx,cypherdare/libgdx,ninoalma/libgdx,gouessej/libgdx,jsjolund/libgdx,shiweihappy/libgdx,MadcowD/libgdx,309746069/libgdx,ztv/libgdx,KrisLee/libgdx,SidneyXu/libgdx,MikkelTAndersen/libgdx,SidneyXu/libgdx,ricardorigodon/libgdx,ThiagoGarciaAlves/libgdx,stinsonga/libgdx,JFixby/libgdx,djom20/libgdx,js78/libgdx,JFixby/libgdx,ryoenji/libgdx,UnluckyNinja/libgdx,Heart2009/libgdx,TheAks999/libgdx,del-sol/libgdx,nooone/libgdx,ztv/libgdx,bgroenks96/libgdx,mumer92/libgdx,gf11speed/libgdx,nrallakis/libgdx,djom20/libgdx,Zomby2D/libgdx,saltares/libgdx,MathieuDuponchelle/gdx,JFixby/libgdx,Wisienkas/libgdx,noelsison2/libgdx,Thotep/libgdx,sjosegarcia/libgdx,FyiurAmron/libgdx,bsmr-java/libgdx,tell10glu/libgdx,Wisienkas/libgdx,del-sol/libgdx,Wisienkas/libgdx,zhimaijoy/libgdx,ricardorigodon/libgdx,sarkanyi/libgdx,samskivert/libgdx,czyzby/libgdx,ttencate/libgdx,Gliby/libgdx,jasonwee/libgdx,sarkanyi/libgdx,ttencate/libgdx,MadcowD/libgdx,yangweigbh/libgdx,GreenLightning/libgdx,hyvas/libgdx,sinistersnare/libgdx,hyvas/libgdx,UnluckyNinja/libgdx,libgdx/libgdx,yangweigbh/libgdx,tommyettinger/libgdx,EsikAntony/libgdx,MathieuDuponchelle/gdx,noelsison2/libgdx,firefly2442/libgdx,nudelchef/libgdx,Thotep/libgdx,jasonwee/libgdx,billgame/libgdx,ya7lelkom/libgdx,hyvas/libgdx,TheAks999/libgdx,kagehak/libgdx,1yvT0s/libgdx,JDReutt/libgdx,josephknight/libgdx,ttencate/libgdx,flaiker/libgdx,jsjolund/libgdx,petugez/libgdx,youprofit/libgdx,jberberick/libgdx,tell10glu/libgdx,NathanSweet/libgdx,Xhanim/libgdx,jberberick/libgdx,Thotep/libgdx,fwolff/libgdx,toloudis/libgdx,sinistersnare/libgdx,KrisLee/libgdx,youprofit/libgdx,gf11speed/libgdx,copystudy/libgdx,djom20/libgdx,youprofit/libgdx,Badazdz/libgdx,designcrumble/libgdx,thepullman/libgdx,collinsmith/libgdx,sarkanyi/libgdx,Gliby/libgdx,curtiszimmerman/libgdx,Wisienkas/libgdx,bgroenks96/libgdx,gf11speed/libgdx,sinistersnare/libgdx,ztv/libgdx,realitix/libgdx,js78/libgdx,fiesensee/libgdx,Zonglin-Li6565/libgdx,collinsmith/libgdx,davebaol/libgdx,MetSystem/libgdx,FyiurAmron/libgdx,tommycli/libgdx,djom20/libgdx,nave966/libgdx,toloudis/libgdx,jberberick/libgdx,fiesensee/libgdx,bsmr-java/libgdx,toloudis/libgdx,collinsmith/libgdx,SidneyXu/libgdx,revo09/libgdx,billgame/libgdx,TheAks999/libgdx,SidneyXu/libgdx,nudelchef/libgdx,gdos/libgdx,gf11speed/libgdx,saqsun/libgdx,FyiurAmron/libgdx,samskivert/libgdx,PedroRomanoBarbosa/libgdx,youprofit/libgdx,Heart2009/libgdx,realitix/libgdx,UnluckyNinja/libgdx,MetSystem/libgdx,flaiker/libgdx,snovak/libgdx,cypherdare/libgdx,Xhanim/libgdx,NathanSweet/libgdx,1yvT0s/libgdx,ryoenji/libgdx,tell10glu/libgdx,MathieuDuponchelle/gdx,realitix/libgdx,JDReutt/libgdx,ryoenji/libgdx,xpenatan/libgdx-LWJGL3,FredGithub/libgdx,JFixby/libgdx,JFixby/libgdx,ya7lelkom/libgdx,samskivert/libgdx,TheAks999/libgdx,ninoalma/libgdx,realitix/libgdx,PedroRomanoBarbosa/libgdx,JFixby/libgdx,junkdog/libgdx,MathieuDuponchelle/gdx,TheAks999/libgdx,jberberick/libgdx,nudelchef/libgdx,ya7lelkom/libgdx,saltares/libgdx,PedroRomanoBarbosa/libgdx,revo09/libgdx,Zomby2D/libgdx,youprofit/libgdx,sinistersnare/libgdx,UnluckyNinja/libgdx,tommycli/libgdx,kzganesan/libgdx,309746069/libgdx,stickyd/libgdx,luischavez/libgdx,Badazdz/libgdx,PedroRomanoBarbosa/libgdx,KrisLee/libgdx,gouessej/libgdx,titovmaxim/libgdx,sjosegarcia/libgdx,xoppa/libgdx,Zonglin-Li6565/libgdx,del-sol/libgdx,xpenatan/libgdx-LWJGL3,josephknight/libgdx,Senth/libgdx,nudelchef/libgdx,MovingBlocks/libgdx,billgame/libgdx,samskivert/libgdx,alex-dorokhov/libgdx,309746069/libgdx,andyvand/libgdx,MathieuDuponchelle/gdx,zommuter/libgdx,titovmaxim/libgdx,xoppa/libgdx,Heart2009/libgdx,flaiker/libgdx,ThiagoGarciaAlves/libgdx,revo09/libgdx,shiweihappy/libgdx,gouessej/libgdx,ztv/libgdx,FyiurAmron/libgdx,JFixby/libgdx,bsmr-java/libgdx,Dzamir/libgdx,MovingBlocks/libgdx,zommuter/libgdx,noelsison2/libgdx,alireza-hosseini/libgdx,alireza-hosseini/libgdx,katiepino/libgdx,hyvas/libgdx,designcrumble/libgdx,firefly2442/libgdx,anserran/libgdx,PedroRomanoBarbosa/libgdx,js78/libgdx,ttencate/libgdx,basherone/libgdxcn,petugez/libgdx,Deftwun/libgdx,snovak/libgdx,anserran/libgdx,toa5/libgdx,MadcowD/libgdx,antag99/libgdx,sjosegarcia/libgdx,BlueRiverInteractive/libgdx,Badazdz/libgdx,kagehak/libgdx,stickyd/libgdx,kotcrab/libgdx,basherone/libgdxcn,xoppa/libgdx,petugez/libgdx,ThiagoGarciaAlves/libgdx,copystudy/libgdx,yangweigbh/libgdx,basherone/libgdxcn,xranby/libgdx,Senth/libgdx,MovingBlocks/libgdx,realitix/libgdx,tell10glu/libgdx,nrallakis/libgdx,xranby/libgdx,KrisLee/libgdx,nave966/libgdx,nooone/libgdx,srwonka/libGdx,yangweigbh/libgdx,1yvT0s/libgdx,1yvT0s/libgdx,bladecoder/libgdx,zommuter/libgdx,gf11speed/libgdx,snovak/libgdx,xranby/libgdx,MovingBlocks/libgdx,curtiszimmerman/libgdx,EsikAntony/libgdx,nave966/libgdx,bladecoder/libgdx,del-sol/libgdx,andyvand/libgdx,libgdx/libgdx,flaiker/libgdx,realitix/libgdx,designcrumble/libgdx,flaiker/libgdx,ztv/libgdx,djom20/libgdx,kotcrab/libgdx,nrallakis/libgdx,Senth/libgdx,realitix/libgdx,davebaol/libgdx,FredGithub/libgdx,czyzby/libgdx,kagehak/libgdx,czyzby/libgdx,JDReutt/libgdx,thepullman/libgdx,yangweigbh/libgdx,Heart2009/libgdx,yangweigbh/libgdx,jasonwee/libgdx,revo09/libgdx,curtiszimmerman/libgdx,Thotep/libgdx,luischavez/libgdx,FredGithub/libgdx,Deftwun/libgdx,ThiagoGarciaAlves/libgdx,anserran/libgdx,andyvand/libgdx,stickyd/libgdx,gdos/libgdx,alex-dorokhov/libgdx,codepoke/libgdx,ttencate/libgdx,flaiker/libgdx,EsikAntony/libgdx,czyzby/libgdx,designcrumble/libgdx,codepoke/libgdx,Zonglin-Li6565/libgdx,ryoenji/libgdx,kotcrab/libgdx,jberberick/libgdx,nelsonsilva/libgdx,BlueRiverInteractive/libgdx,FyiurAmron/libgdx,czyzby/libgdx,fiesensee/libgdx,stickyd/libgdx,billgame/libgdx,lordjone/libgdx,gdos/libgdx,xpenatan/libgdx-LWJGL3,ninoalma/libgdx,luischavez/libgdx,bladecoder/libgdx,andyvand/libgdx,titovmaxim/libgdx,snovak/libgdx,srwonka/libGdx,Thotep/libgdx,zommuter/libgdx,andyvand/libgdx,jasonwee/libgdx,junkdog/libgdx,snovak/libgdx,anserran/libgdx,ztv/libgdx,xoppa/libgdx,srwonka/libGdx,luischavez/libgdx,srwonka/libGdx,realitix/libgdx,samskivert/libgdx,fwolff/libgdx,gf11speed/libgdx,saltares/libgdx,SidneyXu/libgdx,haedri/libgdx-1,GreenLightning/libgdx,samskivert/libgdx,UnluckyNinja/libgdx,xranby/libgdx,ttencate/libgdx,codepoke/libgdx,nooone/libgdx,ztv/libgdx,ya7lelkom/libgdx,nrallakis/libgdx,Thotep/libgdx,noelsison2/libgdx,EsikAntony/libgdx,nooone/libgdx,junkdog/libgdx,NathanSweet/libgdx,MikkelTAndersen/libgdx,SidneyXu/libgdx,collinsmith/libgdx,zhimaijoy/libgdx,MetSystem/libgdx,revo09/libgdx,Heart2009/libgdx,designcrumble/libgdx,cypherdare/libgdx,saqsun/libgdx,haedri/libgdx-1,gouessej/libgdx,jsjolund/libgdx,Arcnor/libgdx,FredGithub/libgdx,copystudy/libgdx,luischavez/libgdx,saqsun/libgdx,nrallakis/libgdx,haedri/libgdx-1,youprofit/libgdx,xpenatan/libgdx-LWJGL3,titovmaxim/libgdx,bgroenks96/libgdx,Arcnor/libgdx,Gliby/libgdx,toa5/libgdx,curtiszimmerman/libgdx,tommyettinger/libgdx,curtiszimmerman/libgdx,jberberick/libgdx,toloudis/libgdx,davebaol/libgdx,mumer92/libgdx,saqsun/libgdx,EsikAntony/libgdx,hyvas/libgdx,MovingBlocks/libgdx,Senth/libgdx,toa5/libgdx,stinsonga/libgdx,zhimaijoy/libgdx,toa5/libgdx,BlueRiverInteractive/libgdx,firefly2442/libgdx,junkdog/libgdx,nudelchef/libgdx,GreenLightning/libgdx,jasonwee/libgdx,sjosegarcia/libgdx,js78/libgdx,fiesensee/libgdx,gouessej/libgdx,antag99/libgdx,tommycli/libgdx,sarkanyi/libgdx,anserran/libgdx,Dzamir/libgdx,yangweigbh/libgdx,bladecoder/libgdx,MadcowD/libgdx,basherone/libgdxcn,mumer92/libgdx,309746069/libgdx,js78/libgdx,nelsonsilva/libgdx,ninoalma/libgdx,bsmr-java/libgdx,Gliby/libgdx,Xhanim/libgdx,junkdog/libgdx,andyvand/libgdx,czyzby/libgdx,Dzamir/libgdx,TheAks999/libgdx,alireza-hosseini/libgdx,haedri/libgdx-1,gouessej/libgdx,Wisienkas/libgdx,antag99/libgdx,tell10glu/libgdx,toa5/libgdx,nrallakis/libgdx,czyzby/libgdx,shiweihappy/libgdx,nave966/libgdx,luischavez/libgdx,Thotep/libgdx,sjosegarcia/libgdx,hyvas/libgdx,MikkelTAndersen/libgdx,ya7lelkom/libgdx,MadcowD/libgdx,luischavez/libgdx,FredGithub/libgdx,junkdog/libgdx,sinistersnare/libgdx,Xhanim/libgdx,azakhary/libgdx,katiepino/libgdx,Badazdz/libgdx,xpenatan/libgdx-LWJGL3,zommuter/libgdx,zhimaijoy/libgdx,curtiszimmerman/libgdx,EsikAntony/libgdx,petugez/libgdx,sjosegarcia/libgdx,sarkanyi/libgdx,haedri/libgdx-1,revo09/libgdx,Xhanim/libgdx,nooone/libgdx,saltares/libgdx,antag99/libgdx,samskivert/libgdx,zhimaijoy/libgdx,bsmr-java/libgdx,revo09/libgdx,firefly2442/libgdx,1yvT0s/libgdx,jsjolund/libgdx,gdos/libgdx,kagehak/libgdx,antag99/libgdx,Wisienkas/libgdx,alireza-hosseini/libgdx,thepullman/libgdx,xranby/libgdx,thepullman/libgdx,copystudy/libgdx,MikkelTAndersen/libgdx,designcrumble/libgdx,Gliby/libgdx,nave966/libgdx,gdos/libgdx,saltares/libgdx,xpenatan/libgdx-LWJGL3,ninoalma/libgdx,stickyd/libgdx,azakhary/libgdx,srwonka/libGdx,tommycli/libgdx,nave966/libgdx,Zomby2D/libgdx,katiepino/libgdx,Xhanim/libgdx,Deftwun/libgdx,lordjone/libgdx,zhimaijoy/libgdx,mumer92/libgdx,stinsonga/libgdx,basherone/libgdxcn,alireza-hosseini/libgdx,saltares/libgdx,del-sol/libgdx,gdos/libgdx,nelsonsilva/libgdx,Deftwun/libgdx,ryoenji/libgdx,FyiurAmron/libgdx,Badazdz/libgdx,antag99/libgdx,revo09/libgdx,zommuter/libgdx,anserran/libgdx,JDReutt/libgdx,lordjone/libgdx,gouessej/libgdx,ricardorigodon/libgdx,Senth/libgdx,MikkelTAndersen/libgdx,GreenLightning/libgdx,hyvas/libgdx,Dzamir/libgdx,lordjone/libgdx,ricardorigodon/libgdx,alex-dorokhov/libgdx,Gliby/libgdx,js78/libgdx,kotcrab/libgdx,stickyd/libgdx,ThiagoGarciaAlves/libgdx,jasonwee/libgdx,billgame/libgdx,tell10glu/libgdx,Dzamir/libgdx,bgroenks96/libgdx,toa5/libgdx,noelsison2/libgdx,zommuter/libgdx,nave966/libgdx,toloudis/libgdx,saltares/libgdx,sarkanyi/libgdx,kzganesan/libgdx,nave966/libgdx,fwolff/libgdx,Arcnor/libgdx,EsikAntony/libgdx,js78/libgdx,tell10glu/libgdx,azakhary/libgdx,Zonglin-Li6565/libgdx,MikkelTAndersen/libgdx,PedroRomanoBarbosa/libgdx,kotcrab/libgdx,djom20/libgdx,curtiszimmerman/libgdx,xranby/libgdx,JDReutt/libgdx,katiepino/libgdx,copystudy/libgdx,noelsison2/libgdx,Heart2009/libgdx,josephknight/libgdx,titovmaxim/libgdx,toloudis/libgdx,petugez/libgdx,Senth/libgdx,Badazdz/libgdx,Zomby2D/libgdx,titovmaxim/libgdx,MovingBlocks/libgdx,anserran/libgdx,shiweihappy/libgdx,jasonwee/libgdx,ya7lelkom/libgdx,PedroRomanoBarbosa/libgdx,stinsonga/libgdx,katiepino/libgdx,codepoke/libgdx,FyiurAmron/libgdx,Badazdz/libgdx,cypherdare/libgdx,copystudy/libgdx,alex-dorokhov/libgdx,KrisLee/libgdx,alex-dorokhov/libgdx,tommyettinger/libgdx,xranby/libgdx,1yvT0s/libgdx,ya7lelkom/libgdx,xoppa/libgdx,ricardorigodon/libgdx,UnluckyNinja/libgdx,xoppa/libgdx,stickyd/libgdx,ninoalma/libgdx,junkdog/libgdx,zommuter/libgdx,ninoalma/libgdx,azakhary/libgdx,bsmr-java/libgdx,ninoalma/libgdx,srwonka/libGdx,gouessej/libgdx,Zomby2D/libgdx,yangweigbh/libgdx,xpenatan/libgdx-LWJGL3,libgdx/libgdx,czyzby/libgdx,Deftwun/libgdx,FyiurAmron/libgdx,designcrumble/libgdx,haedri/libgdx-1,fwolff/libgdx,lordjone/libgdx,josephknight/libgdx,toa5/libgdx,TheAks999/libgdx,davebaol/libgdx,lordjone/libgdx,firefly2442/libgdx,UnluckyNinja/libgdx,ya7lelkom/libgdx,Deftwun/libgdx,firefly2442/libgdx,fiesensee/libgdx,lordjone/libgdx,Zonglin-Li6565/libgdx,junkdog/libgdx,codepoke/libgdx,Gliby/libgdx,Zonglin-Li6565/libgdx,MadcowD/libgdx,309746069/libgdx,JDReutt/libgdx,nudelchef/libgdx,GreenLightning/libgdx,JDReutt/libgdx,stickyd/libgdx,zhimaijoy/libgdx,ricardorigodon/libgdx,gdos/libgdx,shiweihappy/libgdx,ThiagoGarciaAlves/libgdx,fwolff/libgdx,thepullman/libgdx,MathieuDuponchelle/gdx,noelsison2/libgdx,billgame/libgdx,thepullman/libgdx,nudelchef/libgdx,azakhary/libgdx,kagehak/libgdx,jsjolund/libgdx,collinsmith/libgdx,anserran/libgdx,tell10glu/libgdx,davebaol/libgdx,codepoke/libgdx,toa5/libgdx,FredGithub/libgdx,thepullman/libgdx,snovak/libgdx,MadcowD/libgdx,alireza-hosseini/libgdx,kzganesan/libgdx,billgame/libgdx,BlueRiverInteractive/libgdx,tommycli/libgdx,kzganesan/libgdx,kotcrab/libgdx,antag99/libgdx,ryoenji/libgdx,Senth/libgdx,bgroenks96/libgdx,Badazdz/libgdx,BlueRiverInteractive/libgdx,titovmaxim/libgdx,toloudis/libgdx,thepullman/libgdx,Gliby/libgdx,josephknight/libgdx,katiepino/libgdx,snovak/libgdx,andyvand/libgdx,youprofit/libgdx,Zonglin-Li6565/libgdx,katiepino/libgdx,kagehak/libgdx,josephknight/libgdx,toloudis/libgdx,MetSystem/libgdx,josephknight/libgdx,firefly2442/libgdx,youprofit/libgdx,jasonwee/libgdx,jsjolund/libgdx,haedri/libgdx-1,MathieuDuponchelle/gdx,libgdx/libgdx,kotcrab/libgdx,curtiszimmerman/libgdx,tommycli/libgdx,ThiagoGarciaAlves/libgdx,bgroenks96/libgdx,xoppa/libgdx,kzganesan/libgdx,Arcnor/libgdx,tommycli/libgdx,sarkanyi/libgdx,bladecoder/libgdx,Xhanim/libgdx,copystudy/libgdx,sinistersnare/libgdx,hyvas/libgdx,jsjolund/libgdx,MikkelTAndersen/libgdx,BlueRiverInteractive/libgdx,shiweihappy/libgdx,djom20/libgdx,ttencate/libgdx,saltares/libgdx,nelsonsilva/libgdx