api/server.go
func RegisterHandlerVersion(version, path, method string, h http.Handler) {
	var th TsuruHandler
	th.version = version
	th.path = path
	th.method = method
	th.h = h
	tsuruHandlerList = append(tsuruHandlerList, th)
}
func RegisterHandlerVersion(version, path, method string, h http.Handler) {
	var th TsuruHandler
	th.version = version
	th.path = path
	th.method = method
	th.h = h
	tsuruHandlerList = append(tsuruHandlerList, th)
}
// RegisterHandlerVersion inserts a handler on a list of handlers