Switch to selenium>3.
Add `continue_on_error` flag.
Implemented helper functions:
- connect_webdriver
- load_page
- wait_for_presence
- wait_for_visibility
- click_element
- send_keys
- hoover_over_element
- switch_to_iframe
- get_table_data
- get_element_text
**Full Changelog**: https://github.com/ivanmicetic/selenium-assist/compare/v0.2.5...v0.3.1