PHP 7 compatibility errors

Hi… great plugin, love it!

I’m wondering what your plans are to fix the PHP 7 compatibility errors?

Using the WPengine compatibility tester, these errors come up:

FILE: /***/wp-content/plugins/tesla-login-customizer/lib/less.php/Less.php
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FOUND 3 ERRORS AND 3 WARNINGS AFFECTING 4 LINES
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92 | WARNING | INI directive ‘mbstring.internal_encoding’ is deprecated since PHP 5.6.
93 | WARNING | INI directive ‘mbstring.internal_encoding’ is deprecated since PHP 5.6.
227 | WARNING | INI directive ‘mbstring.internal_encoding’ is deprecated since PHP 5.6.
10115 | ERROR | Bitwise shifts by negative number will throw an ArithmeticError in PHP 7.0
10115 | ERROR | Bitwise shifts by negative number will throw an ArithmeticError in PHP 7.0
10115 | ERROR | Bitwise shifts by negative number will throw an ArithmeticError in PHP 7.0
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Thank you!