wp-cli/wp-cli — pull request #1356 by jeichorn (2014-08-27 19:19:31+00:00)
Title: Fix WP_CLI::colorize warnings

Passing an array to colorize causes warnings since the passed in value ends up being passed
into md5

Warning was
PHP Warning: md5() expects parameter 1 to be string, array given in git/wp-cli/vendor/wp-cli/php-cli-tools/lib/cli/Colors.php on line 118