VitesseAPI v1.2.0

• Added clear read buffer function to Initialise and Close to allow for seamless connection without errors
• Made entire API class self referencing to remove the need for additional variables
• General clean up of code

VitesseAPI v1.1.0

• Added detailed debugging output to all commands.
• Simplified initialisation into a single function without a serial number, so SONUS Vitesse devices can be plugged in and used immediately.
• Fixed ARM OS issue with loading ftdi_sio