Fixed bug with RPC call `proposeanswer` rejecting string values (#688)
Fixed bug with RPC call `proposeanswer` rejecting string values (#688)

Updated according to alex's suggestion
navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core,navcoindev/navcoin-core