Drop reloader (#189)

Fixes #169

Reloading modules is performed by clearing `sys.modules` cache
before (re-)importing.

That common strategy works well for various packages for several years.

Author: deathaxe

AdvancedNewFile.py

@@ -1,22 +1,20 @@
 import sublime
 import sys
 
-VERSION = int(sublime.version())
-
-reloader = "advanced_new_file.reloader"
-
-if VERSION > 3000:
-    reloader = 'AdvancedNewFile.' + reloader
-    from imp import reload
-
+# Clear module cache to force reloading all modules of this package.
 
-# Make sure all dependencies are reloaded on upgrade
-if reloader in sys.modules:
-    reload(sys.modules[reloader])
+# kiss-reloader:
+prefix = __package__ + "."  # don't clear the base package
+for module_name in [
+    module_name
+    for module_name in sys.modules
+    if module_name.startswith(prefix) and module_name != __name__
+]:
+    del sys.modules[module_name]
+prefix = None
 
+VERSION = int(sublime.version())
 if VERSION > 3000:
-    from .advanced_new_file import reloader
     from .advanced_new_file.commands import *
 else:
-    from advanced_new_file import reloader
     from advanced_new_file.commands import *