The Cloudflare system caches large portions the website such as css stylesheets, images, and javascript. It does not cache html.
If you are going to be working on the site, login to the cloudflare control panel and set the gear icon to "Development Mode" which will disable cloudflare for three hours.
Cloudflare only works on www.domain.name sites. Set your site to www through the htaccess file.
The free version of cloudflare does not allow SSL.