Anyone else have problems logging in? I tried clearly the cache and switching browsers (Firefox and IE)

I keep getting the following errors,

Warning: implode() [function.implode]: Invalid arguments passed in /home/content/97/11868897/html/wp-content/themes/woostore/functions.php on line 54

Warning: Cannot modify header information - headers already sent by (output started at /home/content/97/11868897/html/wp-content/themes/woostore/functions.php:54) in /home/content/97/11868897/html/wp-content/plugins/woocommerce/classes/class-wc-session-handler.php on line 63

Warning: Cannot modify header information - headers already sent by (output started at /home/content/97/11868897/html/wp-content/themes/woostore/functions.php:54) in /home/content/97/11868897/html/wp-includes/pluggable.php on line 678

Warning: Cannot modify header information - headers already sent by (output started at /home/content/97/11868897/html/wp-content/themes/woostore/functions.php:54) in /home/content/97/11868897/html/wp-includes/pluggable.php on line 679

Warning: Cannot modify header information - headers already sent by (output started at /home/content/97/11868897/html/wp-content/themes/woostore/functions.php:54) in /home/content/97/11868897/html/wp-includes/pluggable.php on line 680

Warning: Cannot modify header information - headers already sent by (output started at /home/content/97/11868897/html/wp-content/themes/woostore/functions.php:54) in /home/content/97/11868897/html/wp-includes/pluggable.php on line 875