Use YAML formatted variable file

WAPT/control

@@ -1,5 +1,5 @@
 package           : fws-thunderbird-config
-version           : 6
+version           : 7
 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
 
@@ -14,8 +12,10 @@ 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 Thunderbird','defaults','pref'))
@@ -23,7 +23,7 @@ def install():
         mkdirs(makepath(programfiles, 'Mozilla Thunderbird','chrome'))
     filecopyto('custom-strings.txt', makepath(programfiles,'Mozilla Thunderbird','chrome'))
     jinja2 = Environment(
-        loader=FileSystemLoader(os.path.dirname(os.path.abspath(__file__))),
+        loader=FileSystemLoader(os.getcwd()),
         trim_blocks=True
     )
     open(makepath(programfiles,'Mozilla Thunderbird','thunderbird.cfg'),'w').write(
@@ -34,9 +34,9 @@ def install():
     )
 
 def uninstall():
-    os.unlink(makepath(programfiles,'Mozilla Thunderbird','defaults','pref','autoconf.js'))
-    os.unlink(makepath(programfiles,'Mozilla Thunderbird','chrome','custom-strings.txt'))
-    os.unlink(makepath(programfiles,'Mozilla Thunderbird','thunderbird.cfg'))
+    remove_file(makepath(programfiles,'Mozilla Thunderbird','defaults','pref','autoconf.js'))
+    remove_file(makepath(programfiles,'Mozilla Thunderbird','chrome','custom-strings.txt'))
+    remove_file(makepath(programfiles,'Mozilla Thunderbird','thunderbird.cfg'))
 
 def audit():
     if (