Apparently my isp may be caching files to save international bandwidth, so I can't view my updated files when uploaded (via browser); only older versions. What is Pragma no cache (inserted in the Meta), and is it a solution?
The pragma no cache meta tag likely will not help you.
More information than you ever wanted to know about this:
HOWTO: Prevent Caching in Internet Explorer
"Pragma: No-cache" Tag May Not Prevent Page from Being Cached