* New functions introduced:
 - getURLcontent - Return the content of an URL (HTTP, HTTPS, FTP...)
 - getURL - Download an URL (HTTP, HTTPS, FTP...)
 - splitURL - Split a URL (HTTP, HTTPS, FTP...)

To test:
test_run("fileio",["getURL","getURLcontent","splitURL"])

Change-Id: I56b775794a144053dba90bb2bce1f69f47a555e1