adding PubnubError class, which can be used for error reporting
adding PubnubError class, which can be used for error reporting

mohamed20102241/java,mohamed20102241/java,MattB101/java,vyshakhbabji/java,VanThanh12195/java,MattB101/java,sweetticket/java,biddyweb/java,biddyweb/java,vyshakhbabji/java,ballbo/java,sweetticket/java,biddyweb/java,NizarBoussarsar/java,mohamed20102241/java,vyshakhbabji/java,NizarBoussarsar/java,sweetticket/java,MattB101/java,pranjalpatil/java,VanThanh12195/java,pranjalpatil/java,ballbo/java,VanThanh12195/java,ballbo/java,NizarBoussarsar/java,pranjalpatil/java