Fixed a bug where addSublayer: was called and passed a nil object if the hostedGraph property had not been set.
Fixed a bug where addSublayer: was called and passed a nil object if the hostedGraph property had not been set.

zenXian/core-plot,eoinnorris/core-plot,LiDechao/core-plot,LiDechao/core-plot,sureshdustrise/core-plot,LiDechao/core-plot,eoinnorris/core-plot,sureshdustrise/core-plot,divyavamsee/core-plot,kamalvenkat/core-plot,sureshdustrise/core-plot,LiDechao/core-plot,eoinnorris/core-plot,kamalvenkat/core-plot,tectronics/core-plot,zenXian/core-plot,tectronics/core-plot,kamalvenkat/core-plot,sureshdustrise/core-plot,zenXian/core-plot,tectronics/core-plot,eoinnorris/core-plot,kamalvenkat/core-plot,zenXian/core-plot,divyavamsee/core-plot,divyavamsee/core-plot,divyavamsee/core-plot,tectronics/core-plot