Update the docs

Author: mdmintz

examples/cdp_mode/ReadMe.md

@@ -310,6 +310,9 @@ sb.cdp.find_elements_by_text(text, tag_name=None)
 sb.cdp.select(selector)
 sb.cdp.select_all(selector)
 sb.cdp.find_elements(selector)
+sb.cdp.find_visible_elements(selector)
+sb.cdp.click_nth_element(selector, number)
+sb.cdp.click_nth_visible_element(selector, number)
 sb.cdp.click_link(link_text)
 sb.cdp.tile_windows(windows=None, max_columns=0)
 sb.cdp.get_all_cookies(*args, **kwargs)
@@ -325,7 +328,7 @@ sb.cdp.get_active_element_css()
 sb.cdp.click(selector)
 sb.cdp.click_active_element()
 sb.cdp.click_if_visible(selector)
-sb.cdp.click_visible_elements(selector)
+sb.cdp.click_visible_elements(selector, limit=0)
 sb.cdp.mouse_click(selector)
 sb.cdp.nested_click(parent_selector, selector)
 sb.cdp.get_nested_element(parent_selector, selector)