Tunisia will soon enact difficult economic reforms that have been delayed for years, the central bank governor said on Saturday, adding that financial authorities were trying to keep the dinar currency stable. Tunisia this month reached a preliminary agreement with the International Monetary Fund (IMF) for a $1.9 billion rescue package that could be finalised in December. Tunisia has been in need of international help for months as it grapples with a crisis in public finances that has raised fears it may default on debt and has contributed to shortages of food and fuel. The IMF agreement is al…