Trying to fix basic functionality again.

params.json

@@ -0,0 +1,14 @@
+{
+  "disease_name": "Parkinson's Disease",
+  "modules_dir": "modules",
+  "output_dir": "output",
+  "generate_patients": true,
+  "population": 10,
+  "gender": 0.5,
+  "min_age": 0,
+  "max_age": 90,
+  "analyze_patient_data": false,
+  "report_format": "html",
+  "force_generate": false,
+  "publish_dir": "published_output"
+}