* Improving Czech translation, up to line 374 now
* Czech translation, revisited up to line 468
* Translation revision up to line 510.
* Czech translation - small fixes here and there.
* Czech translation - small fixes here and there.
* Czech lang. - Fixed some typos found by @dusekdan
* Czech - revision up to line 564
* Czech tr. - small fixes to fit into GUI
* Czech tr. - small fixes after checking GUI