Debuggers: Added a testcase for OnProjectileHitBlock.
Debuggers: Added a testcase for OnProjectileHitBlock.

This is a test for #1326.

johnsoch/cuberite,Fighter19/cuberite,kevinr/cuberite,Tri125/MCServer,linnemannr/MCServer,mc-server/MCServer,birkett/cuberite,nevercast/cuberite,ionux/MCServer,HelenaKitty/EbooMC,mmdk95/cuberite,jammet/MCServer,linnemannr/MCServer,nichwall/cuberite,Howaner/MCServer,linnemannr/MCServer,Haxi52/cuberite,mc-server/MCServer,Fighter19/cuberite,Tri125/MCServer,Frownigami1/cuberite,Howaner/MCServer,Schwertspize/cuberite,zackp30/cuberite,QUSpilPrgm/cuberite,mmdk95/cuberite,birkett/cuberite,QUSpilPrgm/cuberite,Frownigami1/cuberite,kevinr/cuberite,guijun/MCServer,mjssw/cuberite,tonibm19/cuberite,mmdk95/cuberite,Fighter19/cuberite,Howaner/MCServer,kevinr/cuberite,Tri125/MCServer,ionux/MCServer,tonibm19/cuberite,SamOatesPlugins/cuberite,zackp30/cuberite,mmdk95/cuberite,SamOatesPlugins/cuberite,nichwall/cuberite,bendl/cuberite,thetaeo/cuberite,nounoursheureux/MCServer,bendl/cuberite,electromatter/cuberite,nicodinh/cuberite,zackp30/cuberite,nicodinh/cuberite,ionux/MCServer,jammet/MCServer,johnsoch/cuberite,zackp30/cuberite,Altenius/cuberite,jammet/MCServer,thetaeo/cuberite,nounoursheureux/MCServer,Tri125/MCServer,birkett/MCServer,QUSpilPrgm/cuberite,nichwall/cuberite,linnemannr/MCServer,birkett/MCServer,nounoursheureux/MCServer,johnsoch/cuberite,marvinkopf/cuberite,Schwertspize/cuberite,kevinr/cuberite,nicodinh/cuberite,guijun/MCServer,nevercast/cuberite,johnsoch/cuberite,Haxi52/cuberite,thetaeo/cuberite,birkett/MCServer,Haxi52/cuberite,mc-server/MCServer,Haxi52/cuberite,kevinr/cuberite,Schwertspize/cuberite,thetaeo/cuberite,Schwertspize/cuberite,Altenius/cuberite,Frownigami1/cuberite,HelenaKitty/EbooMC,nicodinh/cuberite,Frownigami1/cuberite,nicodinh/cuberite,tonibm19/cuberite,marvinkopf/cuberite,guijun/MCServer,kevinr/cuberite,mjssw/cuberite,birkett/cuberite,HelenaKitty/EbooMC,birkett/MCServer,birkett/MCServer,Tri125/MCServer,jammet/MCServer,ionux/MCServer,linnemannr/MCServer,HelenaKitty/EbooMC,zackp30/cuberite,nounoursheureux/MCServer,johnsoch/cuberite,Schwertspize/cuberite,Howaner/MCServer,zackp30/cuberite,guijun/MCServer,mmdk95/cuberite,jammet/MCServer,birkett/cuberite,mjssw/cuberite,mc-server/MCServer,jammet/MCServer,QUSpilPrgm/cuberite,nevercast/cuberite,nichwall/cuberite,marvinkopf/cuberite,marvinkopf/cuberite,Frownigami1/cuberite,SamOatesPlugins/cuberite,guijun/MCServer,nichwall/cuberite,tonibm19/cuberite,SamOatesPlugins/cuberite,SamOatesPlugins/cuberite,linnemannr/MCServer,Howaner/MCServer,guijun/MCServer,electromatter/cuberite,nevercast/cuberite,mmdk95/cuberite,electromatter/cuberite,Fighter19/cuberite,tonibm19/cuberite,electromatter/cuberite,electromatter/cuberite,bendl/cuberite,birkett/cuberite,Altenius/cuberite,Fighter19/cuberite,birkett/MCServer,Tri125/MCServer,Haxi52/cuberite,nevercast/cuberite,nichwall/cuberite,marvinkopf/cuberite,Fighter19/cuberite,ionux/MCServer,thetaeo/cuberite,Altenius/cuberite,nounoursheureux/MCServer,thetaeo/cuberite,mc-server/MCServer,nicodinh/cuberite,Haxi52/cuberite,nevercast/cuberite,mc-server/MCServer,nounoursheureux/MCServer,bendl/cuberite,marvinkopf/cuberite,mjssw/cuberite,bendl/cuberite,electromatter/cuberite,birkett/cuberite,QUSpilPrgm/cuberite,ionux/MCServer,Howaner/MCServer,QUSpilPrgm/cuberite,tonibm19/cuberite,Altenius/cuberite,HelenaKitty/EbooMC,mjssw/cuberite,mjssw/cuberite