libsaria.collection cleanup

I found more places using libsaria.collection instead of
libsaria.sources

libsaria/lastfm.py

@@ -1,6 +1,7 @@
 # Bryan Schumaker (10/24/2010)
 
 import libsaria
+from libsaria import sources
 import web
 import xm
 

libsaria/sources/library.py

@@ -110,7 +110,7 @@ def inc_count(id):
 		save()
 
 def play_id(id):
-	libsaria.collection.cur_lib_id = id
+	libsaria.sources.cur_lib_id = id
 	libsaria.audio.load(get_attrs(id, "filepath")[0])
 	libsaria.audio.play()