Ini file manager Code

added reporting of error line also for floats
extended test program 'Test_Config'.

added function 'Read_Sections' to retreive a list of all section names in an ini file.
in case of an error when converting integers report the offending line number.

Added 'Disable' procedure; fixed an hard-coded'='

Rosetta demo: brush-up

Rosetta demo (update): added caller proc that resets the config file

Rosetta code: added demo for updating a file

Renamed Rosetta_Cfg to Rosetta_Read_Cfg

Rosetta code example: Boolean use the appropriate function

Variable terminator symbol can be different than '='

Gardening of sources - added GNAT style checks about casing, blank lines, and some more