Please don't hide plugin loading errors

[TAC one]

I think we shuold print the exceptions that happen plugin loading for debug purposes.

=== modified file 'RapacheCore/PluginManager.py'
--- RapacheCore/PluginManager.py 2008-07-21 04:08:40 +0000
+++ RapacheCore/PluginManager.py 2008-07-21 14:17:42 +0000
@@ -2,7 +2,7 @@
 import os.path
 import imp
 import sys
-
+import traceback
 class PluginManager():

  def __init__(self, pluginpath=None):
@@ -26,6 +26,7 @@
      self.plugins.append(obj)
      print "loaded plugin : " + folder
     except:
+ traceback.print_exc(file=sys.stdout)
      print "error loading plugin " + folder

   print ""