PHP 7 Compatibility?

Hello!

I love the plugin, thanks for all the hard work! Unfortunately The WP Engine PHP Compatibility Checker says the plugin is not PHP 7 compatible. Are you working to fix this?

FILE: /nas/content/live/esl2/wp-content/plugins/wp-email-template/admin/admin-interface.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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 402 | ERROR | Global with variable variables is not allowed since PHP 7.0
 441 | ERROR | Global with variable variables is not allowed since PHP 7.0
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FILE: /nas/content/live/esl2/wp-content/plugins/wp-email-template/includes/mandrill/Mandrill.php
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FOUND 2 ERRORS AND 2 WARNINGS AFFECTING 4 LINES
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 127 | WARNING | INI directive 'safe_mode' is deprecated since PHP 5.3 and removed since PHP 5.4.
 216 | WARNING | INI directive 'magic_quotes_runtime' is deprecated since PHP 5.3 and removed since PHP 5.4.
 295 | ERROR   | Function set_magic_quotes_runtime() is deprecated since PHP 5.3 and removed since PHP 7.0
 301 | ERROR   | Function set_magic_quotes_runtime() is deprecated since PHP 5.3 and removed since PHP 7.0
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