Added reviews endpoint for api client
Merge pull request #9 from BookingSync/reviews-endpoint

Added reviews endpoint for api client
added special offers endpoint for api v3 client
Merge pull request #10 from BookingSync/special_offers

Added Special offers endpoint to api client
Don't retest fields handling for every endpoint
Merge pull request #12 from BookingSync/cleanup

Don't retest fields handling for every endpoint
Add Amenities endpoint to api client
Update VCR cassettes
Merge pull request #13 from BookingSync/amenities

Add Amenities endpoint to api client
Add fetching a single rental