ControlExpression: implement paths finding and processing
ControlExpression: implement paths finding and processing

fixme: refactor (there's a lot of code in the only file)

Signed-off-by: Marek Chalupa <a05df156a69ad59faa9af9b666ef78009594c145@gmail.com>

mchalupa/dg,mchalupa/dg,mchalupa/dg,mchalupa/dg