* Overhaul everything. Allow to check for pre- and regular releases. Throw exceptions at correct places. Improve tests with realistic example. ([4e9d91f](https://git.griefed.de/Griefed/VersionChecker/commit/4e9d91f00355a965b52f590e587f1ac8b43d302d))
### Other
* Add information regarding implementation ([5e2bdf4](https://git.griefed.de/Griefed/VersionChecker/commit/5e2bdf4195dfc0278bba4c3e9e901ceb27900ee7))