change namespace.
add feed library.
add rdf.
rename.
add some examples.
add tools
add example to use oauth.
add follow option.
add some doc.
close #3
check commands exists.
added variable webapi#system_function.
if using alias with no namespace.
[Core] Xmlrpc: Don't add params xml node if list args is empty.
[Core] Xmlrpc: Refactoring move the code to add params node on the
function.
[Core] Xmlrpc: Add documentation to the function and remove debug print.
[Core] Http: Cosmetic remplace all tab by space.
Merge pull request #4 from hobbestigrou/master

Don't add params node if args is empty.
use upper case letter variable name to use function reference.
failsafe.