Used player_t for Num_races and planetnum_t for Planet_count
USe std::swap instead of built-in macro.
Create unordered_map for looking up command to run instead of giant if/else table.  Relation is the first one to go into it.  Before going further, will also change the interface slightly so that args is passed as a parameter rather than as state in a global variable.
Merge branch 'master' of https://github.com/kaladron/galactic-bloodshed