I speak on behalf of the wiremod community when I say that it's dumb and irresponsible to distribute the mod outside of the official SVN. They have stressed this many times, which you should see. For example, wiremod is explicitly banned from garrysmod.org. They wouldn't like that you are distributing an out of date version.
Wiremod gets an update, on average, every 2 hours. It's important for the server to keep up to date. The client can straggle a bit. However, it's recommended that both the client and server have the newest version of wiremod to expect it to operate properly as wiremod is broken quite a lot by gmod updates.