result_store: add get_all function
result_store: add get_all function

used by: (watch, log.elasticsearch, and @smfreegard's ES)

craigslist/Haraka,jjz/Haraka,fatalbanana/Haraka,Dexus/Haraka,danucalovj/Haraka,DarkSorrow/Haraka,craigslist/Haraka,typingArtist/Haraka,bsmr-x-script/Haraka,jjz/Haraka,typingArtist/Haraka,Dexus/Haraka,zombified/Haraka,AbhilashSrivastava/haraka_sniffer,MignonCornet/Haraka,hatsebutz/Haraka,slattery/Haraka,zombified/Haraka,bsmr-x-script/Haraka,msimerson/Haraka,Dexus/Haraka,fatalbanana/Haraka,bsmr-x-script/Haraka,DarkSorrow/Haraka,typingArtist/Haraka,hatsebutz/Haraka,hatsebutz/Haraka,haraka/Haraka,slattery/Haraka,baudehlo/Haraka,fatalbanana/Haraka,jjz/Haraka,typingArtist/Haraka,craigslist/Haraka,Dexus/Haraka,haraka/Haraka,DarkSorrow/Haraka,danucalovj/Haraka,baudehlo/Haraka,fatalbanana/Haraka,smfreegard/Haraka,AbhilashSrivastava/haraka_sniffer,smfreegard/Haraka,MignonCornet/Haraka,hatsebutz/Haraka,slattery/Haraka,jaredj/Haraka,Synchro/Haraka,msimerson/Haraka,smfreegard/Haraka,Synchro/Haraka,danucalovj/Haraka,danucalovj/Haraka,AbhilashSrivastava/haraka_sniffer,Synchro/Haraka,haraka/Haraka,jaredj/Haraka,zombified/Haraka,haraka/Haraka,slattery/Haraka,jjz/Haraka,AbhilashSrivastava/haraka_sniffer,jaredj/Haraka,baudehlo/Haraka,smfreegard/Haraka,DarkSorrow/Haraka,zombified/Haraka,msimerson/Haraka,jaredj/Haraka,Synchro/Haraka,craigslist/Haraka,msimerson/Haraka,MignonCornet/Haraka,MignonCornet/Haraka,bsmr-x-script/Haraka,baudehlo/Haraka