Adding spoof function

Author: Stephen Schiffli

lib/metawear.js

@@ -65,6 +65,24 @@ NobleDevice.Util.mixin(MetaWear, NobleDevice.DeviceInformationService);
 Object.assign(MetaWear, cbindings);
 Object.assign(MetaWear, MetaWear.Lib);
 
+MetaWear.spoof = function (address) {
+  var addressType = 'random'
+  var connectable = true
+  var advertisement = {
+    localName: 'MetaWear',
+    txPowerLevel: undefined,
+    manufacturerData: undefined,
+    serviceData: [],
+    serviceUuids: ['326a900085cb9195d9dd464cfbbae75a'],
+    solicitationServiceUuids: [],
+    serviceSolicitationUuids: []
+  };
+  var rssi = -27;
+  var readToTriggerNobleInit = noble.state;
+  var peripheral = noble.spoofPeripheral(address.toLowerCase(), addressType, connectable, advertisement, rssi);
+  return new MetaWear(peripheral);
+};
+
 MetaWear.prototype.writeCommandCharacteristic = function (data, callback) {
   var sanitaizedCallback = (typeof callback === 'function') ? callback : function () { };
   debug('Writing: ' + METAWEAR_COMMAND_UUID + " " + data.toString('hex'));