added cud utils for season endpoint
added create util for reviews endpoint
added cud utils to rates tables endpoint
added cud utils for periods endpoint
Merge pull request #35 from BookingSync/periods_cud

added cud utils for periods endpoint
added CUD utils for rental endpoint
Merge pull request #31 from BookingSync/rentals_crud

added CUD utils for rentals endpoint
added cud utils for special offers endpoint
Merge pull request #32 from BookingSync/special_offers_cud

added cud utils for special offers endpoint
Merge pull request #34 from BookingSync/create_a_new_review

added create util for reviews endpoint
Merge pull request #33 from BookingSync/seasons_cud

added cud utils for season endpoint
Merge pull request #36 from BookingSync/rates_tables_cud

added cud utils to rates tables endpoint
Add support for fetching associations
Get rid of json extension in vcr cassettes
Add rates support
Fix specs, sawyer has been removed