Instagram Feed Pro 6.4.1

* New: Added a close button for the share feature in the lightbox.
* New: Added aria-label attributes to svgs for improved accessibility.
* Tweak: Removed Google Plus as a share option.
* Tweak: Error reporting improved. Information about errors encountered while retrieving posts now more concise.
* Fix: Improved reliablity of touch detection for opening the lightbox with touch devices.
* Fix: Minified version of CSS file was not actually minified.

* Tweak: Check added to make sure sbiOwlCarousel was defined before using to show carousel posts in the lightbox added.
* Tweak: Added a default set of options of sb_instagram_js_options not defined on the page.
* Tweak: Added a text link in the settings page footer to our new free [YouTube feed](https://wordpress.org/plugins/feeds-for-youtube/) plugin
* Fix: Part of the next image in the carousel would display when opening carousel posts in the lightbox on slower networks.
* Fix: Added a workaround for error caused by videos in stories displayed in the lightbox not having thumbnails available.

* New: Added filter "sbi_settings_pages_capability" to change what permission is needed to access settings pages.
* Tweak: Better error messages for no posts being found and API request delays.
* Tweak: If "Favor Local Images" setting is in use, a 640px resolution image will be created for images coming from a personal account.
* Tweak: Better error recovery when image file not found when viewing the feed.
* Tweak: Added "noreferrer" to links found in the captions in the lightbox display.
* Tweak: Button and input field styling updated to look better with WordPress 5.3.
* Fix: Accounts that were connected prior to version 4.0 would not show the follow button if the header was not also displayed and would not retrieve comments to display in the lightbox. Visit the "Configure" tab to have the account automatically updated.
* Fix: Fixed incorrect URL for boxed-style header "follow" button.
* Fix: Clearing "white lists" would not work.
* Fix: Duplicate posts added to recent hashtag feeds when background caching enabled.
* Fix: MySQL error when retrieving resized images. Thanks [the-louie](https://github.com/the-louie)!