Brandur 3a2724bfcc Merge query parameters coming from path with params argument
If specifying both query parameters in a path/URL down to Faraday (e.g.,
`/v1/invoices/upcoming?coupon=25OFF`) _and_ query parameters in a hash
(e.g., `{ customer: "cus_123" }`), it will silently overwrite the ones
in the path with the ones in the hash. This can cause problems where
some critical parameters are discarded and causes an error, as seen in
issue #646.

This patch modifies `#execute_request` so that before going out to
Faraday we check whether the incoming path has query parameters. If it
does, we decode them and add them to our `query_params` hash so that
all parameters from either place are preserved.

Fixes #646.
2018-05-07 14:51:25 -07:00
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