Google finding your site has little to do with the code, unless you specifically specify search engines not to follow your site.
http://tools.seobook.com/robots-txt/AbanteCart has all SEO tools to help google to crawl and locate information about your site.
The question is, WHO will tell google that your site exists and make it think your site is popular and needs to be ranked.
I suggest you read up on search engine submission
http://productforums.google.com/forum/#!topic/sites/MMo2ulr0RvcAlso, keywords are not important in google any longer
http://googlewebmastercentral.blogspot.com/2009/09/google-does-not-use-keywords-meta-tag.htmlFinally, this fix is already in 1.1.3