Improve code quality about using(...).
Improve receiver behavior.
Fix behavior of getting window location.
Cache of StatusModel now based on ConcurrentDictionary instead of Dictionary with lock.
Improve stability of collection proxy.
Fix crashing when pass invalid argument to user filter.
Increment revision.

Change name of "Asset" directory to "asset".
Fix: localization resource was not specified correctly.
Increment revision.
Fix: list filter is not querified correctly.
Change transaction isolation level for improve performance.
Check accessing thread of creating view collection.
Change parameter for improve performance.
Improve threading of querying to database.
Fix attaching images.

Use specified format for posting tweet when attaching image from file.
Fix: Sometimes attached images are grayed out which attached via clipboard.
Improve code quality.

And create correct and useless codes.
Improve list behavior.

Fix: list slug considers cases.
Improve list receiving behavior.
Fix multi-threading issue of ReadOnlyDispatcherCollectionEx.
Improve error handling while executing sql query.