Cianparser

- add new params (flat share, only flat, only apartments and etc)
- fix metro iteration

- add object_type, finish_type, house_material_type and heating_type fields
- fix metro stations id values

- add additional_settings and fix cities_list
- add search by metro functionality
- add search by type of house functionality
- refactor

- modified the functionality of adding proxies
- added house_number parsing
- improved in the method of taking fields
- updated location-related data
- added proxy setting and description about bypass block
- changed the way street are defined to more correct

- fix logic of additional attempting
- add logs about too high value of pages
- add description and change default value of express_mode setting
- refactor the city id definer
- add captcha detecting
- fix BeautifulSoup parsing by some features
- fix utf encoding problem in install process

Added:

- new field **author_type** with type of author (homeowner, realter and etc)
- new field **price_per_m2** with the ratio of two values
- new filter type **is_by_homeowner** in argument
- check if a announcement was already parsed
- go to the next page if an error occurs
- correct completion of the parsing operation in case of the end of the data
- fix bug when replace number in string to float (in title of announcement)
- description about limitation
- note about parallel using