changed EmailSink to accept a comma-and-or-semicolon separated list of recipients
changed EmailSink to accept a comma-and-or-semicolon separated list of recipients

joelweiss/serilog,JuanjoFuchs/serilog,nblumhardt/serilog,jotautomation/serilog,merbla/serilog,ravensorb/serilog,adamchester/serilog,redwards510/serilog,adamchester/serilog,harishjan/serilog,CaioProiete/serilog,colin-young/serilog,skomis-mm/serilog,ajayanandgit/serilog,colin-young/serilog,Jaben/serilog,clarkis117/serilog,SaltyDH/serilog,skomis-mm/serilog,serilog/serilog,joelweiss/serilog,Applicita/serilog,vossad01/serilog,ravensorb/serilog,zmaruo/serilog,DavidSSL/serilog,nblumhardt/serilog,merbla/serilog,khellang/serilog,harishjan/serilog,clarkis117/serilog,richardlawley/serilog,serilog/serilog,vorou/serilog