PHP 7.0 compatibility issues

Just testing my stack in prep for php 7 and found some errors. Apologies if these were already targeted for change.

FILE: /wp-content/plugins/wp-csv/CPK_WPCSV_Posts_Model.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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156 | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
158 | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
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FILE: /wp-content/plugins/wp-csv/CPK_WPCSV_Log_Model.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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86 | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
87 | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
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