Added listing of cinemas.
Fixed Lucerna.
Tuned the whole sync process, fixed minor bugs.

- Fixed minor issues in Lucerna, prepared it for scraping additional info.
- Fixed #109.
- Fixed #110.
- Affected #111: Prepared arguments for search methods, database's service
  should be able to use it for filtering, prepared some stubs for parsing
  directors in Lucerna's scraper.