Fix Engine.ReadJSONFile() which did throw a JS exception that was not caught. Discovered by s0600204. Expose Engine.ReadJSONFile() to the gui scripts. This was SVN commit r15959.
Fix Engine.ReadJSONFile() which did throw a JS exception that was not caught. Discovered by s0600204. Expose Engine.ReadJSONFile() to the gui scripts. This was SVN commit r15959.