* Removed resizing of window as that isn't supported
* Fixed issue that content view would be too small and top of window wouldn't be visible
* Removed some code that isn't needed
Bump lib version to 0.2.3
* Added get_keys_pressed(KeyRepeat::Yes/No) in order for the user to
decide if repeat should be used or not
* added is_key_pressed(key, KeyRepeat::Yes/No)
* Added set_key_repeat_delay/rate in order to control the rate/delays of
keys