File part status and shuffled part send

bindings/fileTransfer.go

cmd/fileTransfer.go

fileTransfer/manager.go

fileTransfer/manager_test.go

fileTransfer/receive_test.go

fileTransfer/send.go

fileTransfer/send_test.go

fileTransfer/utils_test.go

interfaces/fileTransfer.go

storage/fileTransfer/partStore.go

storage/fileTransfer/receiveTransfer.go

storage/fileTransfer/receiveTransfer_test.go

storage/fileTransfer/receivedCallbackTracker.go

storage/fileTransfer/receivedCallbackTracker_test.go

storage/fileTransfer/receivedPartTracker.go

storage/fileTransfer/receivedPartTracker_test.go

storage/fileTransfer/sentCallbackTracker.go

storage/fileTransfer/sentCallbackTracker_test.go

storage/fileTransfer/sentPartTracker.go

storage/fileTransfer/sentPartTracker_test.go