0.3.0
* The server availability for each separate agency is now shown.
* Can now specify settings such as SSL verification, proxy and agencies to fetch
data from.
* If the 'eurostat' package is not found, a helper dialog pops up after
installing the plugin (also should fix issue #3).
* This release should fix issue #4.
0.2.1
* Added error handling for SSLError (issue #2).
0.2.0
* GUI is not freezing anymore while waiting for responses;
* Added the option to choose which columns to join;
* Introduced concurrency in the tool to optimize API calls.
0.1.0
* Initial release
