Add a default filename to downloaded log files.
Merge pull request #121 from unitfloat/download_filename

Add a default filename to downloaded log files.
Fix binary images parsing for apps with spaces in the app bundle name

Why oh why do apps do that !?
Fix buttons not working on versions and crash group pages
Add client support for redirects

Fixes Issue #139
Escape `platform` parameter

Fixes Issue #112
Improved version sorting

Fixes Issue #111
Clarify that only the iOS version is using ARC