Do not log tweet expansion, even at debug level.
Make sure HttpResponseException always has status code in toString().
TwitterUtils logs sinceId when logging page sizes.
Really report all errors while loading an image.
Use CursorAdapter for reading tweet lists. [issue #19]
PayloadUtils knows to ignore POST_TIME meta.
Reduce in memory image cache (MAX_MEMORY_IMAGE_CACHE) from 20 to 15 MB.