setEnabled continuously adds spaces to button classes

[Former user]

Example:

btn nosel modern                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     disabled

The problem is core.js line 367 which is manually adding a class instead of using dojo.addClass

[Arima B.]

Fixed in https://bitbucket.org/bloodrizer/kitten-game/commits/62b1fd0eb6a752c0b7139da4c9263f4d4c93933a