Beta 1.7.3

Beta 1.7.3 was a bug fix update released on 16 August 2011. The same day, Ben May tweeted out that full release would be implemented in two updates: Beta 1.8 and 1.0.0 and would be called the Update of Fun.

Bug fixes

 * Fixed 523 bugs to do with treadmills.
 * Fixed 400 bugs to do with electricity.