Wonderfoon Deluxe V2.7

8/5/20 Some bugfixes 
 6/24/20 Added WiFi web server
  5/31/20 Fixed ringing  bug
   5/18/20 Bluetooth support. The app is in the ZIP file.
   5/5/20  Added Playlists (folder 1-10 = Playlist 1, folder 11-20 = Play;ist 2, folder 21-30 = Playlist 3 etc. Code [9}{1}[x} where x is the playlist number.
  4/27/20 Added keypad on analog pin.
  4/12/20 Bugfix. Sometimes welcome message played twice.
  4/5/20  The use of the dialtone can now be switched on or off. Code [8][1][1]
  3/28/20 Added settings for Equalizer. [7][1][x] where x= 0-5.  0=Normal, 1=Pop, 2=Rock, 3=Jazz, 4=Classic, 5=Bass (files 070.mp3 - 075.mp3
  3/28/20 Added file during startup, ready for use. (file 002.mp3)
  3/12/20 Remote control on pin 16 added
  3/7/20  Added dialcode 611 to switch on/off useRandomFolder when phone was ringing and write setting to EPROM
  3/2/20  Use random folder or not when phone was ringing
  2/27/20 Added ringsound when button is pushed while phone is on the hook
  2/13/20 Serialbuffer overflow fixed
  2/13/20 Added resetfunction to white button. Reset if pressed > 5 seconds
  2/13/20 Disabled debug function (DEB = false)
  2/12/20 Button can only be pushed when phone is picked up
  2/12/20 Systemsounds now stops when phone is hung up
  2/7/20  Fixed Volume bug
  2/7/20  Randomseed added
