New Features:
- Split keywords between `Type Text` And `Fill Text`. Type text inputs single keypress events (including keyup / keydowns). Fill inputs the text in a single events, like pasting it would.
- `Press Keys` keyword to input series of keypresses (supports Keycodes like ArrowLeft or BackSpace)
- `Clear Text` keyword that clears a textfield
- `Focus` keyword to focus an element
- `Click With Options` keyword to click with different mouse keys and passing other options. See [keyword docs](https://marketsquare.github.io/robotframework-browser/Browser.html) for more details.
- `Add Style Tag` keyword to manipulate page CSS
- `Go Back` and `Go Forward` keywords to use browser's back and forward features
- `Set Timeout` and setting of timeout at library import time. This affects mostly input and getter keywords
- Option to pass `assertion_operator` and `assertion_expected` as parameters to getter keywords to execute assertion
- Deleted older `Text Should Be` style keywords in favor of `Get Text equals content` syntax
- Option to disable headlessness through `headless` argument to keyword `Open Browser` (defaults to false)