Bug fix for Signal.mergeMany
Bug fix for Signal.mergeMany

vilterp/core,Pisys/core,colinmccabe/core,laszlopandy/core,rick68/core,suryagaddipati/core,manleyjster/core,deadfoxygrandpa/core,Dandandan/core,colinmccabe/core,martinos/core,bradurani/core,laszlopandy/core,simonh1000/core,deadfoxygrandpa/core,bradurani/core,isaacsanders/core,jwmerrill/core,ThomasWeiser/core,alexiamcdonald/elm-core,rick68/core,simonh1000/core,vilterp/core,martinos/core,Pisys/core,eeue56/core,krisajenkins/core,isaacsanders/core,maxsnew/core,rgrempel/core,Dandandan/core,manleyjster/core,rgrempel/core,ThomasWeiser/core,avh4/elm-lang-core,slava-sh/core,alexiamcdonald/elm-core,avh4/elm-lang-core,suryagaddipati/core,krisajenkins/core,eeue56/core