Changes for Game-Lacuna-Task

2.01 Fri, Jan 13, 2012
    * Incompatible database changes: Distinguish between probed (currently 
      probed by empire or alliance) and known solar systems (body data 
      available in cache)
    * new empire_find action
    * new star_cache_export action
    * renamed build_star_cache action to star_cache_build
    * fix broken mining action
    * basic locking mechanism
    * automatically handle database upgrades

2.00 Fri, Jan 13, 2012
    * First stable version released on CPAN