Add uploadFile() method, notion of active and pending uploads and adapt the surroundings to new logic.
Add uploadFile() method, notion of active and pending uploads and adapt the surroundings to new logic.

moxiecode/plupload,envato/plupload,moxiecode/plupload,vitr/fend005-plupload,vitr/fend005-plupload,envato/plupload