Version 0.1.1
 - Rotation of symbols made possible.
 - Connections can also be created at ends of other connections.
 - Added more symbols.
 - Internationalization, added Czech translation.
 - Visual enhancement of symbol menus.
 - The grid is drawn much faster.
 - Diagrams can be opened from command line.
 - The diagram file type is registered on Windows.

Version 0.1.0
 - The first release.