Half Life CD Key Changer 3.0

From the developer: "Change your Half-Life CD-key easily. This small program allows you to manage multiple half-life and counter-strike cd keys. Convenient when you have been banned from a certain server or want your statistics under a different player name. This new version allows you to comment each key, so you don't lose track of which is which."

NOTE: this is not a serial key generator,the purpose is to use when have multiple legal keys for this game.

- a comment section so you can keep track of keys
- a reset button for the current key
- added a few hotkeys like 'a' for 'Add' etc.
- a new layout to accomodate the new comment section
- 'Copy to Clipboard' function improved
- confirmation for remove key so people don't lose keys
- general code improvements