Environmental variables fix. Addition of WP_CONFIG_PATH env variable. #112
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Some servers don't populate the $_ENV variable so environmental variables that are set cannot be read from PHP CLI. So getenv() was added to fetch those variables.
Also, some WP installs do not have wp-config.php in the same directory as index.php, wp-settings.php, etc. Added ability to set WP_CONFIG_PATH environmental variable for those custom setups.