labstack-echo

Checklist

• Dependencies installed
• No typos
• Searched existing issues and docs

Issue Description

When using the RateLimiter Middleware with a rate between 0 and 1 all events will be rejected instead of applying the specified rate. E.g.: e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(0.5)))

I am not saying that it is a common use case to have

Add documentation about how to bind multiple instances of the same query parameter to a slice.
Use this UT as a reference (if it is possible make a more real example than this 😉)

func TestBindSlices(t *testing.T) {
	e := New()
	req := httptest.NewRequest(GET, "/?str=foo&str=bar&str=foobar", nil)
	rec := httptest.NewRecorder()
	c := e.NewContext(req, rec)
	result := struct {