Method for Instagram navigation metrics

Instagram navigation metrics have a different structure from v18+, which is also applied in older versions as well. We introduce a new method for exclusively requesting those metrics broken down to all their action types.

Add method for collection audience insights

Audience insights have a different structure and we create a separate method for collecting the audience insights per breakdown

Fix for collecting User media within a date range

In collecting user media the process would exhaust all the results irrelevant if the date range limits had been reached.

Fix for lifetime metrics

Merge pull request #34 from bufferapp/epd-1014/fix-ig-audience-response

[EPD-1014] Handle IG audience data response as lifetime values

1.8.8

Downgrade facebook version to v14

Downgrades Facebook Graph version from 15 to 14

Downgrades the Facebook Graph version from 15 -> 14 to see if it alleviates this issue: https://buffer.slack.com/archives/C02CXT519M1/p1676303332970149

PHP8 Support

2.0.0

Merge pull request #32 from bufferapp/epd-726-replace-facebook-sdk

Facebook 15.0

Upgrade's the Facebook API version to 15.0

Facebook 13.0

Merge pull request #28 from bufferapp/upgrade-facebook-13

Upgrade Facebook to 13.0 version