DB: Fix DB update and set DB version to '0.1.7'.

src/Model/Friction/Friction.py

@@ -81,7 +81,7 @@ class Friction(SQLSubModel):
             cls._db_update_to_0_1_0(execute, data)
 
         if major == "0" and minor == "1":
-            if release < 2:
+            if int(release) < 2:
                 execute(
                     "ALTER TABLE friction " +
                     "ADD COLUMN deleted BOOLEAN NOT NULL DEFAULT FALSE"