CCPackageDownload will call delegate method if writing file fails.
CCPackageDownload more tests added.
CCPackageDownload is setting package status for failed downloads instead of download manager.
CCPackageDownloadManager tests added.
CCPackageDownloadManager header documentation improved for setDownloadPath.
Bugfix for setting a new download path.
Added allDownloads properties. Mainly for testing purposes, it shouldn't hurt.
NSAssert added in CCPackageDownloadManager to assert installData is attached to CCPackageDownload.
CCPackageDownloadManager no longer sets failed download status of a package: CCPackageDownload is doing this now.