Correct config examples

config.get() never returns int for consistency across platforms.
Fixes #271

PLUGINS.md

@@ -64,7 +64,7 @@ def plugin_prefs(parent, cmdr, is_beta):
    """
    Return a TK Frame for adding to the EDMC settings dialog.
    """
-   this.mysetting = tk.IntVar(value=config.get("MyPluginSetting"))	# Retrieve saved value from config
+   this.mysetting = tk.IntVar(value=config.getint("MyPluginSetting"))	# Retrieve saved value from config
    frame = nb.Frame(parent)
    nb.Label(frame, text="Hello").grid()
    nb.Label(frame, text="Commander").grid()
@@ -80,7 +80,7 @@ def prefs_changed(cmdr, is_beta):
    """
    Save settings.
    """
-   config.setint('MyPluginSetting', this.mysetting.get())	# Store new value in config
+   config.set('MyPluginSetting', this.mysetting.getint())	# Store new value in config
 ```
 
 ## Display

config.py

@@ -149,7 +149,7 @@ class Config:
             if hasattr(val, '__iter__'):
                 return list(val)	# make writeable
             else:
-                return val
+                return unicode(val)
 
         def getint(self, key):
             try:
@@ -233,7 +233,7 @@ class Config:
             elif typ.value == REG_MULTI_SZ:
                 return [x for x in ctypes.wstring_at(buf, len(buf)-2).split(u'\x00')]
             else:
-                return buf.value
+                return unicode(buf.value)
 
         def getint(self, key):
             typ  = DWORD()