Refactor, perform filtering merchants by product count in MerchantSearch
Bugfix, call to_s on Hash before attempting to use in cache key
Only assign product_count to merchant if its present
Refactor ProductSearch
Bump to 0.5.2
Add merchant_name field to products
Fix finding merchant by id
Wording
Assert that only valid keys are passed to merchant search and product search
Replace locale by country
Only UK and US are allowed as countries right now
Move filtering merchants by country to MerchantSearch class
Locale -> Country
Add currency filter for products
Refactor merchant search, dont add product count to response from API
Bump to 0.6.0