Implemented Events

Random price-changing events are now in. I had it called via the same
thing that changes your planet.
Added prices
Merge pull request #25 from vcnickerson/Connor2

Implemented Events
Merge pull request #26 from vcnickerson/controller/mattj/dev

Added prices
Merge branch 'master' of github.com:vcnickerson/CS2340Project into VN/persistence
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