Deemon

* Fixes issue causing notification to fail when multiple releases are released on the same day
* Adds more logging surrounding the notify module for easier troubleshooting

* Fixes issue with building and sending email notification from template
* Fixes issue 11 by switching to tqdm

* **Fixes:** `FileNotFoundError` exception when parent directory does not exist on Linux while creating deemon config directory
* **Fixes:** `UnicodeEncodeError` when writing to log file with special characters on Windows
* **Fixes:** `UnicodeDecodeError` when importing from text file with special characters on Windows

* **Bugfix:** Handles IndexError exception caused when deemix attempts to download a Single with no tracks available.

* **Bugfix:** Email notifications are now correctly disabled when not configured (fixes 7)

* **Feature:** Email notifications on new releases
* **Feature:** Logging has been added
* **Change:** Win/Mac users: database will be migrated to new location on first run (see below)

In order to enable email notifications, deemon must be run once after upgrading to 0.4.0 to generate a default config.json. The path of this file is dependent on your OS. For Win/Mac users, upon first run, your existing database will be moved to this new location.

* **Windows:** %appdata%/deemon
* **Mac:** /Users/USERNAME/Library/Application Support/deemon
* **Linux:** /home/USERNAME/.config/deemon