• simenv: use dict() rather than parallel lists for defs.ini files
• simdb: do not use getattr(foo) when self.foo will do
• pyini: remove global "parser" variable
• simproperties: adapt to IniOption taking parser argument
• pyini: do no modify IniParser during syntax check
• pyini: allow to only check a single section, fatal() to be user defined
• pyini: add back function to populate default values from syntax file
• simdb: explicitly fill defaults from syntax file
• pyini: add function to remove section
• simdb: remove incomplete udb entries with warning

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