version bump 0.6.0

version.go

@@ -1,7 +1,7 @@
 package rpc
 
 const Maj = "0"
-const Min = "5" // refactored out of tendermint/tendermint; RPCResponse.Result is RawJSON
-const Fix = "1" // support tcp:// or unix:// prefixes
+const Min = "6" // 0x-prefixed string args handled as hex
+const Fix = "0" //
 
 const Version = Maj + "." + Min + "." + Fix