This adds implementation for close() method of SerialBulkWrap class by disposing the acquired usb resource.
It prevents the following error if one tries to reuse comm_serialtalk within an application:
usb.core.USBError: [Errno None] b'libusb0-dll:err [claim_interface] could not claim interface 4, win error: The requested resource is in use.
This adds implementation for close() method of SerialBulkWrap class by disposing the acquired usb resource.
It prevents the following error if one tries to reuse comm_serialtalk within an application: usb.core.USBError: [Errno None] b'libusb0-dll:err [claim_interface] could not claim interface 4, win error: The requested resource is in use.