old_contents: version = '1.3.0'
  milestone = 'Chami'
  release_number = '3'
  projectURL = 'http://syncplay.pl/'
  
new_contents: version = '1.3.0'
  milestone = 'Chami'
  release_number = '4'
  projectURL = 'http://syncplay.pl/'
  
subject: Increase release number to 4 (1.3.0 Beta 3)