Use YAML formatted variable file

WAPT/control

@@ -1,5 +1,5 @@
 package           : fws-firefox-config
-version           : 4
+version           : 5
 architecture      : all
 section           : base
 priority          : optional

setup.py

@@ -1,7 +1,5 @@
 # -*- coding: utf-8 -*-
 from setuphelpers import *
-import json
-from cryptography.fernet import Fernet
 import os
 from jinja2 import Environment, FileSystemLoader
 
@@ -14,14 +12,16 @@ variables = {
 # Read local variables file if available
 if isfile(makepath(programfiles32,'wapt','private','symetric.txt')) and isfile(makepath(programfiles32,'wapt','private','variables.txt')):
     print('Reading local encrypted variables file')
+    from cryptography.fernet import Fernet
+    import yaml
     f = Fernet(open(makepath(programfiles32,'wapt','private','symetric.txt'),'r').read())
-    variables.update(json.loads(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
+    variables.update(yaml.safe_load(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
 
 def install():
     filecopyto('autoconf.js',makepath(programfiles,'Mozilla Firefox','defaults','pref'))
     filecopyto('override.ini',makepath(programfiles,'Mozilla Firefox'))
     jinja2 = Environment(
-        loader=FileSystemLoader(os.path.dirname(os.path.abspath(__file__))),
+        loader=FileSystemLoader(os.getcwd()),
         trim_blocks=True
     )
     open(makepath(programfiles,'Mozilla Firefox','firefox.cfg'),'w').write(
@@ -32,9 +32,9 @@ def install():
     )
 
 def uninstall():
-    os.unlink(makepath(programfiles,'Mozilla Firefox','defaults','pref','autoconf.js'))
-    os.unlink(makepath(programfiles,'Mozilla Firefox','override.ini'))
-    os.unlink(makepath(programfiles,'Mozilla Firefox','firefox.cfg'))
+    remove_file(makepath(programfiles,'Mozilla Firefox','defaults','pref','autoconf.js'))
+    remove_file(makepath(programfiles,'Mozilla Firefox','override.ini'))
+    remove_file(makepath(programfiles,'Mozilla Firefox','firefox.cfg'))
 
 def audit():
     if (