Added test cases for parameter with newlines

Also the commit includes support for newlines in a setting file.
Until now the xsd schema for the setting file was the old one
without support for a parameter with newlines characters.

Test cases are placed until the setting file loading.

Signed-off-by: Marius Avram <marius.avram1309@gmail.com>
Merge pull request #489 from marius-avram/newline_tests

Added test cases for parameter with newlines