Client can no longer place blocks outside the Y range of the world.
Client can no longer place blocks outside the Y range of the world.

Fixes #128.

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