*slightly* improved the error handling.... slightly

Blather.py

 			self.history = []
 
 		#create the recognizer
-		self.recognizer = Recognizer(lang_file, dic_file, self.options['microphone'] )
+		try:
+			self.recognizer = Recognizer(lang_file, dic_file, self.options['microphone'] )
+		except Exception, e:
+			#no recognizer? bummer
+			sys.exit()
+
 		self.recognizer.connect('finished',self.recognizer_finished)
 
 		print "Using Options: ", self.options

Recognizer.py

 import gst
 import os.path
 import gobject
+import sys
 
 #define some global variables
 this_dir = os.path.dirname( os.path.abspath(__file__) )
 		except Exception, e:
 			print e.message
 			print "You may need to install gstreamer0.10-pocketsphinx"
+			raise e
 
 		#get the Auto Speech Recognition piece
 		asr=self.pipeline.get_by_name('asr')