bumped node version

Author: StephenButtolph

version/constants.go

@@ -11,7 +11,7 @@ import (
 
 // These are globals that describe network upgrades and node versions
 var (
-	Current                      = NewDefaultVersion(1, 6, 3)
+	Current                      = NewDefaultVersion(1, 6, 4)
 	CurrentApp                   = NewDefaultApplication(constants.PlatformName, Current.Major(), Current.Minor(), Current.Patch())
 	MinimumCompatibleVersion     = NewDefaultApplication(constants.PlatformName, 1, 6, 0)
 	PrevMinimumCompatibleVersion = NewDefaultApplication(constants.PlatformName, 1, 5, 0)