grada_cz._normalize_url() moved to utils.normalize_url().
#15: Created cpress_cz.py. Added some functions.

Functions added:
- _parse_alt_title()
- _parse_alt_url()
- _parse_title_url()
- _process_book()
- get_publications()
utils.py: Rewitten normalize_url(). Added has_param() closure generator.
#15, #11: Added tests of the _parse_alt_title().