Add New 8 API Endpoint Functions

• Added getSubscriberByEmail($email) function to retrieve subscriber details by email address.
• Added getCampaignStatsDetail($campaignId, $queryParams = array()) function to retrieve detailed statistics for a campaign.
• Added getPipelineStats($pipelineId) function to retrieve statistics for an automation pipeline.
• Added getPipelineStatsDetail($pipelineId, $queryParams = array()) function to retrieve detailed statistics for an automation pipeline.
• Added refreshDataFeed($feedId) function to refresh a data feed by its ID.
• Added search($query) function to perform a search using the specified query.
• Added importCoupons(array $data) function to import coupons using provided data.
• Added deleteCoupons(array $data) function to delete coupons using provided data.
• Updated readme file to match changes.

Fixes from contributors

Thanks for fixes.

Fixes from contributors

Thanks for fixes.

Campaign stats endpoint

Add campaign stats endpoint

Add delete subscriber method

Merge pull request #23 from oxyshop/feature-delete-subscriber

Add deleteSubscriber() method

v1.2.1: Merge pull request #22 from jakubboucek/fix-json-req

#21

v1.2: Merge pull request #19 from Ecomailcz/add-missing-content-type

Fix to use correct content type

Cleaning and fixes

Merged PRs:

• #8
• #9
• #10
• #11
• #12
• #13
• #14
• #15
• #16
• #17
• #18

Thanks @jakubboucek !

v1.0

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