Client Consistency During Updates

Client consistency maintained during eventual errors while performing a download regarding an update.

Consistency During Updates

File consistency maintained during eventual errors while performing a download regarding an update.
Note that this doesn't guarantee client consistency as a whole yet. Still only at file-level.

Security Improvements

Downloading content to disk;
HTTP status code treatment;
Downloader and exceptions treatment improved;
Hasher and Downloader are now extensible;
Fixed issue regarding the lack of headers in downloader's HTTP requests;
Applying exponential backoff and randomized timeout while retrying downloads;
Maximum number of retries per file download set to 3 instead of 5;
Code and documentation improvement.

File Size and Download Speed Metrics

Added current download speed, current downloading file size (and respective progress) and other metrics.

First Release

The first release of the Generic Auto-Updater.
Stable version, with no known issues.
Requires configuration. Read README.md.