[qtcore] QFileInfo.size()

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
msgFromValue: explicit check for null and undefined

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[actor] missed Number conversion

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[actor] request(... on_done==on_reply)

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[qtcore] QDir.refresh()

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
msgFromValue: refactoring

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>