Fixing __repr__ for RightmoveListing and adding a small testing script

testing.py

@@ -0,0 +1,10 @@
+from rec.db import RightmoveListing, session
+from sqlalchemy import select
+
+if __name__ == '__main__':
+    print("x")
+    x = select(RightmoveListing).where(RightmoveListing.price <600000)
+    print("y")
+    d = list(session.execute(x))
+    print(d)
+