Hudman

* Updated to support the latest XML HUD database schema.
* Added support of generating secondary download URIs.

* Added ability to retrieve last modification date of other HUD files.
* Will no longer download other HUD files to check their status.

Changes
=============

* Doxygen is now a default way to generate project's documentation.
* Added warning message for very outdated HUDs.
* `IsUpdated` field will be filled automatically on HUD update.
* Minor changes in README.

Changes
================

* [library] Added getters and setters for all private fields.
* Switched to working directly with XML database.
* Completely switched to Python 3. Python 2 is no longer supported due to its EOL.
* Added support of calculating SHA2 (SHA-512) hashes for downloaded HUD files.
* Added Travis CI support.
* Removed all shebangs and executable bit from sources.
* Switched to Python logger.
* Added `--save` command-line option, allowing to save changes in HUD database automatically.
* Console output now will include full HUD names.

First public release with basic features.