Added video support in database
titleToObject now takes ohfi of 0 to mean look in every list
XML parsing added support for videos
Only send thumbnail for PSP (other media not supported currently)
Add event handlers for SendCopyConfirmationInfo and CheckExistance
Added new structures and functions in VitaMTP to handle SendCopyconfirmationInfo and CheckExistance
Added placeholder for CancelEvent and for abstracting libmtp