tweak CSV parser to better handle GSM style phone numbers.
Add delete option to File node
to replace msg.delete option - now deprecated but not removed.
Addresses some of the confusion  for Issue #399
Fix debugMaxLength description

Closes #484
Add PWM support to Pi GPIO Node - pin 12 (GPIO1)
(only pin that has hardware pwm support)

Note: It will interfere with any other audio output as they share 
same hardware/timers.
Adding support to LocalStorage on client side
Save the state of the Menu Item between session (like activation of
node-status and sidebar)
Merge pull request #469 from Belphemur/ui-localstorage

Ui localstorage