Mouse tracking to JSON

This class helps to record coordinats to JSON object

Dependeses:

      - winput
      - json

Main usage:

  MouseTracking # main class
	start_tracking() - # begin loop with mouse/keyboard hook - until the Esc key will not be pressed
	stop_tracking() - # stop loop
	to_json()   - # convert main list with coordinates to JSON object 		
	
	JSON Object looks :
		 JSON object like
        		_{ 'xy_coord': [x,y,time]
          		  'lclick'  : [x,y,time]
          		  'rclick'  : [x,y,time]
          		  'drag'    : [x,y,time]
          		  'wheel'   : [x,y,wheel_direction,time]
          		  'mclick'  : [x,y,time]
          		 }_