fixed: a bug where the mod created a backup-file, when the schools block was missing in the xml

fixed: residential high density level 5 default values

Removed some debugging code

Version 1.1:

• Added: an option to adjust the capacity of educational services (schools)
  Note: By default it's turned off. To turn it on change the override-attribute to "true"
  Note2: The tooltip still shows the default value, but it works like it should when the school is placed
  
• Added: self-repairing of the configuration file
  Note: If you made a mistake you can now just delete the whole line or block and it will be recreated with the default value, when you start a new game or load a savegame
  
• Fixed: an issue where changes to the config file will not be loaded to existing buildings.